Boys.........................?

Ok , I met this boy and hes REALLY nice ! We talk on fb all the time and i can admit i have a crush on him! It started of when we talked we would BOTH put x or xx after everything then it went to xxxxx then xxxxxxxx <3 <3 <3 and things like that nd we talk about who we like nd he says his ex and someone but wont tell me nd i said someone but wont tell him coz obvi i dont want to tell him YET ...then we wer asking wat eachothers types , how do i hint to him that i like him or get him to ask me out?!!!?!!! NO HATERZ