What are some reason guys wont txt u after sex? 10 points?

If u think the sex was good does that mean it was for ur partner? me and this guy are simple friends with benifits and a couple of days ago we had really great sex or at lest for me it was, during the act he got up to use the restroom n told me to hang on but i had to go so i tried to sneek off with out waking ne one up or making noise the next morning i had txt him to get my bra i had left n he was kinda being an *** i txt him lastnight hoping to "hang out" but he didnt awnser lk he usally does when i ask him for some why is he being funny ? what are some reasons he maybe