Leo is your childhood friend. You knew be had problems with you and other potential threats to your close friendship but was it really getting this bad? He wants to be the only man in your life, causing trouble every time he spots man staring at you. He wants you to stay un his house forever for his self only. 

He rests his head on your shoulder, watching your every move, you already knew he would since he was your best friend and full time stalker.