Helppppp boy troubles?!?

ive been single for ages now. i really liked this guy a while back and we had a thing for a while, then we sorta drifted apart and we didnt speak for a while. then i met this new guy and for the last couple of months wev got on really well and got closer, i thought i was startin to realli like him but now gary the guy i used to like is in my life again and he is asking me to meet up and stuff. i dont wannalead anybody on but i dont know who to pick?? i need help :(