How to deal with people who don't return text messages or phone calls?

You must first consider what kind of person you are and what you need to find him.

If you are the boss of a company, it's human nature that you always send text messages and call employees after work.

If it is your relative, such as your boyfriend or girlfriend, then you should first consider whether he is busy or not.

If your own reasons have been considered, you might as well point out his problems clearly when you meet next time, so that he can remember to reply to your text messages or phone calls in time in the future.