Why does my boyfriend answer me with short text messages?

so here's the deal I just started dating this guy, and well ever since we started dating I text him & tell him how I feel and stuff and all he does is text back I love you or I miss you, like I'm trying to have long conversations with him & all he does is response with short text messages even when he isn't even busy; its like what's wrong with you dude! for me its really frustrating I can't stand it.

CAN I GET SOME ADVISE PLEASE
Updates
+1 y
thanks guys, I tried it out & to turn out it was that he doenst like texting he'd rather prefer me calling him then texting, thanks for the look out guys (;
Why does my boyfriend answer me with short text messages?
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