You walk into a room and notice that a picture is hanging crooked. You Straighten it. Social Skills Engineers have different objectives when it comes to social interaction. Avoid getting invited to something unpleasant. Demonstrate mental superiority and mastery of all subjects.
Engineers like to solve problems.
If there are no problems handily available, they will create their own problems. Engineers believe that if it ain't broke, it doesn't have enough features yet. 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. Fashion and Appearance Clothes are the lowest priority for an engineer, assuming the basic thresholds for temperature and decency have been satisfied.