Who should I choose, my ex or new crush?

Im 16 and me and my boyfriend split a few weeks ago, he said he was stil in love with his ex anyways a couple of days after he said hed sorted his head out, realizes how I must of felt and that im the most special, beautiful person in the world and that he doesnt deserve me but could I give him a second chance, I said id think about it, he hadnt treated me brilliantly and I new all my mates would say sont go back out with him so I needed some time to decide what I was gona do anyways I met this guy, hes cute, fit, nice, funny, great realy but I dont know if he likes me back or not, his mum told my mum he did because there mates but he hasnt said anything to me, anyways my ex started on at me again about going back out and I said to him that I stil liked and cared bout him but I’ve met this new guy, who I realy like, so now hes saying every day like that hes depressed and sad because of me and that I’ve bin useing him, wich I havnt and he stil keeps asking me to go back out with him, I stil have feelings for him but it wasnt the best relationship and we did row a lot, I realy like this new guy but I have no idea what he feels, should I choose my ex and try and fix our last relationship or shal I take a risk, tell my ex no and focus on this new guy? x