He says he loves me but then he ignores me, what should I do? x.x

I've met him one month ago and we are very close. He said we can be boyfriends in a future, but now he can't forget his ex. Also, in the past, he texted me a lot, but I don't know what happened, he stopped sending me messages even in Facebook. Three days have passed since he texted me last time..... Show More