Does he like me or just want ?..guys(girls can also answer) please help!!?

how do u know if a guy likes u or just wants ...this guy i have been meeting..he has taken the time to get to know me and my interests..and i i felt he was into me..buh now he has all of a sudden started joking about kissing and stuff..he ures me he is joking.but i don't know if he just says or he actually means it..i still want to get to better before i get involved with him..so please tell me if u think he is in for or actually likes me..also tell me how can u tell if a guy likes u or wants a one night stand?