If you express yourself too much, you're considered weak.

If you express yourself too much. you're overacting; if you underplay it too much, it can come across as wooden.

Fashion is chaotic, and it can be an aggravation, too, but it is at its best when it allows you to express yourself.

In acting class, you're trained to express yourself as much as you can.

Express yourself, don't hurt yourself.

Music expresses - you express yourself with music.