How can you tell if a guy rly likes u?

there this guy and i dated him and then we had s then he stop talking to me and broke up with me and now he being all sweet and cute again but idk if it for s or becuss he rly means that he loves me truely... cuss i like rly want love im kind of tired of stupid gay guys being cheaters and only wanting s ya know? so how do i know he honestly meaning it? and i cant talk to him about it he f reaks out when i do >.< i mean all iwant is a sweet boyfriend who loves me and it feel like with him its to much to ask for..