Jennifer is 'grateful for all the beautiful memories' with ex Ben Affleck, a source tells PEOPLE, but she is 'now focused on creating the best future for herself and her kids,' after filing for divorce.

There you have it. While things are reportedly "difficult" during this transitional period in their lives, it sounds like Affleck and Lopez are cordial and putting their children's needs first. And while Bennifer is using a famous divorce lawyer to try and settle things, they're also making sure their kids are the priority.