Sometimes when i text i run out stuff to say what do i do (when talking to girls)
That is normal. Not all the time you will have something to say. You can avoid this by not texting all the time with the girl so that you can accumulate lots of stuff that you will text later in the day.
nothing's wrong with that i do it all the time
just express everything to him . :) or you could talk of your similarities, like hobbies, favorites and movies that you both have watched. :)