Jenna left Blake's house very early in the morning. He had decided not to wake Blake, because later it would be hard for him to meet and communicate again.
He is not satisfied with what is in his love story. It felt like leaving them both, So that neither of them felt unloved, because what really happened was Jenna loved them both even though of course, Blake was the one she loved and cared about the most, while Ryan, the only one who made her addicted.
Jenna didn't want to go home, she might be better off going to Clara's than just staying at Ryan's house which for her was too big and lonely to be alone there.
He finally decided to go straight to the clinic to see Ryan, as well as check his health condition. She actually missed him, because last night she decided to stay at Blake's. He must weave memories with Blake before his time runs out. Because what he planned with Blake was actually not approved by Ryan.