Is it a cheat or a wrong timing

Me and my male best friend are both too close to each other by emotions and the bind was strong like after some years i thought we both are gonna date each other i was so sure about it but one day he disappeared and he was too busy in his life when i asked him what happened is everything alright he said he was busy in his life many crisis his happened here and that one day i got his message that he is dating a girl