The Ultimate Guide to Engineers:

No engineer looks at a television remote control without wondering what it would take to turn it into a stun gun. No engineer can take a shower without wondering if some sort of Teflon coating would make showering unnecessary. To the engineer, the world is a toy box full of sub-optimized and feature-poor toys.

No, I'm not an engineer, but I know several. Some of their habits rub off on you.

Via Silflay.