How to treat girls who don't reply to text messages or girls who forget to reply to text messages?

There are two possibilities. First, she is really busy. Second, she doesn't want to bird you.

The probability of being busy should be ruled out, because if you are busy and someone sends you a kind message, you will reply when you see it at night, and ordinary friends will do the same. Never come back.

If you call to chase, people will definitely say they forgot. Who will believe this answer? So there's only one possibility. She doesn't want to have frequent contact with you. ....