You try and hide your emotions when things are going like that.

The man said nothing; he was trying to hide his emotions.

"I have loved you with all my heart for many years," she said, making no attempt to hide her emotions.

Being a girl, now that the man was safe, she sought to hide her true emotions from him.

I shall have to hide my emotions better, she decided.

"I'm not sometimes very good about hiding my emotions," he said.

Why was it so difficult to hide her emotions from this man?

And she has always been able to hide her emotions.

Jamie was right; not a man to hide his emotions.