do I want him backk?

k so theres this guy and we went out for about a month. we still talk now [everyday, all day] and he still says I have pretty eyesss and tat kinda stuff im like 100% positive he wants to get back with me…and I like him too but he kinda has a flirting problem and he flirtss with all thee girls [includin my friends..right in front of my face]. sometimess I cant stand to be around him and dont even want to see his face. but other times I really lovee him and want to spend every second with him. so idkk do I really like him or am I just confused…do you think we should go out again cause he does make mee REALLY happy and I always smile around himm but im thee reallly jealous type so idkk if I could deal with tat. what do you think I should do..and how do I tell him I like himm without seemin too like desperatee?