Jennifer Lopez and Ben Affleck have not fully thrown in the towel on their marriage yet. Just one day after ET reported that Lopez, 54, and Affleck, 51, had put their marital home on the market , a source is sharing where the couple stands as rumors continue to swirl around the state of their relationship. A source tells ET, "Jen and Ben have been living separate lives but have not officially separated yet.

At this point, they are just doing their own thing. They went into their relationship very optimistic and thought things could change, but they haven't." When it comes to their living situation amid the listing of their $60.

8 million Los Angeles compound -- which they purchased just a year ago -- the source shared that Lopez is looking for places to set up shop as they attempt to take some space and figure things out. The source continued, "Jen is touring houses and shopping around for her own home. She has been leaning on her mom, sisters, and kids during this transitional period.

" Lopez has two sisters, Lynda and Leslie Ann. Affleck -- who was previously married to actress Jennifer Garner and shares three children with her -- has similarly been leaning on his close friends, including Good Will Hunting co-writer Matt Damon , and family members during this time. "Ben is sad about it all but focused on his work, being a great dad, and co-parenting well with Jennifer Garner," the source says.

"He has been leaning on Matt Damon and his close circle of guy friends. Matt is alw.