On the physical toll his job is taking, Mr Musk said: "It's not been great, actually".
The board has stood behind Mr Musk despite some freaky behaviour.
Shares of Tesla Inc. tumbled about 9 percent, closing Friday at $305.50, their lowest level since August 1.
The Securities and Exchange Commission has been investigating Tesla for misleading statements about its Model 3 for months, unnamed sources in the know told the Wall Street Journal, long before CEO Elon Musk attracted the watchdog's attention with his tweet about taking Tesla private.
Even if his Tesla was on autopilot mode, last I checked the driver is still supposed to be alert and probably not tweeting things that will quickly become the subject of a federal investigation.
In June, Musk caused outrage when he responded to a tweet from a woman who claimed Musk had used her father's unicorn artwork on Tesla merchandise without compensation or attribution, by telling her: "He can sue for money if he wants, but that's kinda lame". Shares of Tesla closed down almost 9% on the day, and dropped close to 1% lower in after hours trading, landing at $303.05.
Asked if he regretted it, he said, "Why would I?"
Analysts at UBS this week questioned the profitability the Model 3, in a report that said Tesla could lose $6,000 on every base model.
The company could face sanctions if regulators find it misled investors about production delays.
Musk said he has found 2018 "excruciating". "But from a personal standpoint, the worst is yet to come".
Instances of Musk's drug-related jokes on Twitter date back a couple of years at least.
Musk said he wasn't aware that the search for such an executive was now active, but the Times quoted other sources as saying such a search was indeed underway.
Gordon said the board has to act now or be open to shareholder lawsuits.
Tesla executives have tried for some time to recruit a Chief Operating Officer, a second in command that could hopefully keep Musk under control, but so far have failed to find anyone.
Tesla presents plenty of challenges for the top executive: It routinely loses money and is burning through cash as it ramps up development of its Model 3 sedan, a less-expensive electric vehicle it hopes appeals to the mass market. "There were times when I didn't leave the factory for three or four days - days when I didn't go outside", he said. Instead, he or she would form a team to work overnight and solve problems.
Musk said on Monday that the manager of Saudi Arabia's sovereign wealth fund had voiced support for the company going private several times, including as recently as two weeks ago, but also said that talks continue with the fund and other investors. He may have been referring to short-sellers, investors betting against Tesla whom he has openly wrangled with in the past.
The race was red flagged and drivers were allowed out of their cars. "We try our best to look after each other out there". Hinchcliffe exited his auto under his own power but was seen holding his wrists and walking gingerly to a safety vehicle.
Ellis III rejected a defense motion to dismiss the government's case on the theory that it failed to meet its burden of proof. Gates testified that he helped Manafort commit crimes in an effort to lower his tax bill and fund his lavish lifestyle.
US President Donald Trump prefaced Mnuchin's remarks by saying that Turkey had not been a very good friend to the US. The Turkish currency was trading at 5.85 at 1740 GMT, more than 1 percent stronger on the day.
Last month, Zach Smith was sacked from Ohio State after accusations of domestic violence made by his ex-wife were made public. We're getting closer to a resolution regarding Ohio State coach Urban Meyer's long-term status with the program.
Hurt and angry, Stubblefield went over to her brother Robert's place, went to the bathroom and used his gun to shoot herself. Stubblefield was the youngest person to have an entire face transplant surgery in America, making her story a special one.
The grand jury identified 301 predator priests based on secret archives in each of the dioceses involving over 1,000 victims. Twenty of the grand jurors said Tuesday they objected to "any attempts to censor, alter, redact or amend" the report .
People trapped without food, water and electricity anxious about being left without help as their phone batteries were dying. There are fears the situation will worsen in the days to come, with more heavy rain forecast.
Official U.S. oil inventory data was due to be published later on Wednesday by the Energy Information Administration. Crude oil storage tanks are seen from above at the Cushing oil hub, in Cushing, Oklahoma, March 24, 2016.
The Tensor Cores provide up to 500 trillion operations per second that fill in where the real time ray-tracing comes up short. The RT Cores can churn through ray-tracing performance at a staggering 25x faster than previous Pascal GPUs, Nvidia claims.
The decision came after Qatar's emir, Sheikh Tamim bin Hamad Al Thani, met with Turkish president Recep Tayyip Erdogan in Ankara. China's Ministry of Commerce said it had received an invitation from the United States for talks to be held with U.S.
Trump says former campaign chief Manafort "good person"
Lawyers for both the defense and prosecution -as well as Manafort himself - were present in the courtroom as Ellis read the note. Manafort faces the prospect of spending the rest of his life in prison if convicted of the more serious charges against him.
John Oliver: Rudy Giuliani is a 'one-man legal improv troupe'
Giuliani accused the special counsel of being "desperate" and leaking McGahn's cooperation "illegally" to the New York Times . Trump has consistently denied Russian Federation colluded with his campaign team during the 2016 U.S. presidential election.
Arsenal's Petr Cech backed to keep No. 1 spot by Unai Emery
The Czech appeared to struggle with the policy of playing out from the back in the 2-0 loss at home to Manchester City on Sunday. If Bernd starts [in the future], I believe in him also. "He has experience, he has quality, he has the capacity", he added.