First off, it would be a sign of weakness.

I had to pull myself together, show no sign of weakness, drum up some aggression to protect myself.

We decided to stay, and that sign of weakness guaranteed that the first talks ended in deadlock.

To admit to any sort of problem is taken as a sign of weakness in what is often a very macho environment.

Contrary to what you may think, Mike, openness isn't a sign of weakness, especially when you're amongst friends.