Should i talk to him or wait till he calls me?

this is my problem.. i started speakin wit him from july'08..n we r good frnds n on dis feb 14th he got a proposal n i told i don want to know abt that n so i left it as such..n he told me that he said to that girl that "i ll tell u later"..this happened on Saturday.. wen i messaged him yesterday day he told me that he s chatting wit that girl then at night wen i messaged him again he din respond to me properly n i got angry n i said "nothin.. gud nite" after that i felt that i shouldn't message him..but i messaged him n he din reply.. now should i speak wit him or should i wait till he calls me?