Stuck between two girls,help,eh?

Alright.so I'm stuck between two girls,one being a friend I've known for a while who's recently shown that she DOES like me and the other being my ex,however,its been a long time,tons of things have changed,we've recently been speakin and she's told me that she has never gotten over me,hates the idea of being with someone else,and let's keep in mind herehas never had a relationship since.help me out yahooland.