I'm with you in the sense of seeing it now and how ridiculous it made us look, the time to worry about it is if you still react in the same manner. If you don't, then no harm no foul, you've grown from it. I shared something similar a few days ago about the guilt catching up to me. As far as extreme reactions, it's all we have at the time, if we'd had any better coping skills we'd have used them already.
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Let's go on out and take a moped ride, and all your friends will thing your brain is fried, but you can't live your life too dirty, 'cause in the the end you're born to go 30