You must put an end to this foolish behavior. ✬

Your behavior is creating a lot of problems. ✬

Your behavior leaves much to be desired. ✬

I'm surprised at your behavior. ✬

Lander assumes that rioting and gang behavior are a result of poverty and poor economic conditions. ✬

The man's behavior was very odd. ✬

How can you justify your behavior? ✬

I can't put up with his behavior any longer. ✬

I was ashamed of my behavior. ✬

You should be ashamed of your behavior. ✬