Should i wait for him to text me or should i text him?

Ok well me and this guy have been texting and texing all the time and we talk really late on the phone also but see he has a gf and so do i. And we have mix feelings for one another and we are both confused about what we feel for each other. Well this Weekend he went to go see his girlfriend and left on sat. and said he would be back on Monday its know Tuesday and has not text ed me at all. Should i text him or should i wait for him to text me. i don't want to txt him and he be with his gf..!!! his girl friend dont live in our town she lives like 4 hours away and he don't visit her often WHAT SHOULD I DO????????