Text me every day, and suddenly I stop.

I think there are probably two reasons: 1. Your response disappointed him. It's okay to do it once or twice, but if there are too many disappointments, they will accumulate together, and many people can't stand this feeling; He has an accident, and he has no time or mood to send you a message and call you. These two reasons are based on his liking for you. As for other situations, it's hard to say.