I can't take his behaviour. ✬

People take things too personally and the good behaviour of some rewards the bad behaviour of others. ✬

Your behaviour is intolerable. ✬

His behaviour was bad. ✬

I'm not proud of my behaviour. ✬

Tom's behaviour is unpredictable when he's drunk. ✬

Tom's behaviour at the party was inexcusable. ✬

Lying is not good behaviour. ✬

Tom doesn't realise how his behaviour affects others. ✬

The behaviour of a few spoiled the fun for everyone. ✬