I like taking them apart and putting them back together again. And building certain types from scratch.
Basically if someone elses husband can do it, then there is no reason why I can't.
Been this way since I was a kid...I could even re-assemble the cranks and headset on my stingray with less ball bearings than those factory dorks at Schwinn!
So, basically, you like to take stuff apart and reassemble those items without the extra parts that the factory included during their build process. Make sure to keep the extras in a box or baggie somewhere so, when the parts in use wear out you can replace them...
And, as for one of my favorite things about gun ownership... Physics in action.