I feel he could not keep his emotions under control.

Maybe this was why he kept his emotions to himself.

I'm doing everything I can to keep my emotions in check.

The key will be how each team is able to keep its emotions in check.

When I try to keep my emotions in, things speed up.

He had to fight to keep his emotions in check.

"It was really difficult for me to keep my emotions under control," he said.

She was having a hard time keeping her emotions even.

But he can't keep his emotions out of the ring.

Surely she could keep her emotions under control until then?