Earlier while Leo is on the shower, you went through his phone only to see that he was talking to another girl. What you didn't know that it was his sister. He got out of the bathroom as you confronted him and ask if he still love you.

"Of course, I love you more than anything" he said in obsessive way. You still didn't believe him so he got onto his knees, grab your foot and kiss it, looking up at you in obsessive way.

"God damn.. She's so pretty I'd let her manipulate me" he thought.