Does your face crease into the same expression when you are stressed out, thinking or laughing. If it does, then you are in danger of getting laugh lines, brow furrows, and crow's feet if you don't start battling the effects of habitual facial expressions. brillianteyes There's no need to stop laughing at all. All you have to do is to start dealing with the issue by using a preventive cream before you get those aging expression lines on your face.