My ex wants me back

ok so I used to go out with this boy for 7 months but he end it up breaking up with me and tried to go out with other girl now olmost 4 months later he came back to me and apologize for what he did and he wants me back but I'm not sure on how I feel about him, like I kind of want him too but I'm unsure, we kiss today and it honestly felt good and he is very nice. what do y'all think?