Why would a man stop calling and texting?

Guys stop communicating for a number of reasons. Maybe his attention has strayed elsewhere, maybe hes scared of things getting serious, or maybe hes just still not over his ex. When a guy stops texting and calling you, it usually says more about him than it does about you.

Why do guys suddenly stop talking to you?

Hes going through something that has nothing to do with you. This is probably the most overlooked reason why he stopped talking to you. He might be going through a crisis in his life. He might be suffering from anxiety, depression, or some other kind of illness.