Recently i've been having this feeling in my chest, like something comes over me and makes me think about my girlfriends ex girl, we dont know each other we met only once , i thought she was pretty but nothing more, but now a year later like a said im having feeling over her like a think about her..its like when tyour start thinking about someone and then you called them they say: oh i was just thinking about you!! you guys think she may be thinking of me? i dont know what to do..i really want to get to know her..but she's my girlfriends EX and she dosent even know me! HELP!!