Playboy Model car seen outside Ben Affleck's home

Ben Affleck could be in treatment, but his 22 year old Playboy Flame model always seems to be involved with the star.

Shauna Sexton's car was seen parked in front of Affleck's home in Los Angeles on Tuesday. The model began dating with the actor shortly before entering rehab last month.

According to another source, Affleck was photographed Tuesday after two weeks of treatment for "training" at his home.

The insider tells PEOPLE Affleck "Go home to the gym to train with his coaches."

"Since last week, he was taken from the clinic every day at home to train," says the source. "A few hours a day. He is always accompanied by his coach and therapist.

Later in the day, Affleck was picked up at his home and brought back to the Malibu treatment center.

Ben Affleck, Shauna Sexton

Barry King / Getty; Gabe Ginsberg / Getty

According to the insider, Affleck "is doing well".

"He is continually grateful for the outpouring of the support he has received," the source added. "Between colleagues and friends, he received a lot of support."

People confirmed that Affleck, 46, was in rehab for alcohol dependence on August 22nd. "He's looking for treatment. He knew that he needed help and talked about it, "said one source.

At her side was former Jennifer Garner, also 46, who arrived at home with an addiction therapist. Garner drove the actor to a Malibu treatment center the same day.

ASSOCIATED VIDEO: Ben Affleck had "drunk alone for days" before returning to rehab

The days leading up to his return to rehab, an insider told PEOPLE, "Ben had been drinking alone for days. He was in bad shape. He had barely eaten and had not showered. It was not very convincing. He wanted to go and he cooperated.

The first time Affleck was in rehab was in 2001. In March 2017, he announced that he had completed his treatment for alcohol dependence.

Affleck wrote on Facebook in 2017 after a previous stay in rehab: "I want my kids to know that there is no shame in getting help when we need it and to be a source of strength for those who need help to take the first step. "

If you or someone you know needs help, please contact SAMHSA support line on addiction at 1-800-662-HELP.