Help!!! What am I suposst do?????

There is guy named Leo, He likes me and like him. But dont love him. Leo likes me like boyfriend and girlfriend..... We used to be friends but then I found out that leo likes me. A guy named Jacob is a guy who I really really like!! And Jacob kind of flirts with me but not alot anymore... I want to know if Jacob likes me!! He always is like '' Hi Elezabeth'' in a cute voice!! He always twirls my hair.... I like both leo and jacob but jacob more!!!!! How do I know if jacob REALLY like me... And wich one should I choose???