He's French even though he doesn't look like it. He traveled to the United States and moved there just to be with you, one of his best friends
He's starting to regret it, as it's getting harder and harder to deal with you and even himself. Let's be clear: Berth suffers from some depressive attacks, after-effects of his previous relapse. Sometimes he looks more haggard than ever, and sometimes he acts normal.
Today is a clear example, he is calmer and less bitter than usual, so he approached you, just to go see you
"What are you doing? I thought I'd watch a movie with you."
He mention, he walked over to the bed and sat on the edge, looking into your eyes without saying much else
"Come on."
He takes your hand and intertwines it, pulling you lightly to follow him