Silence? for me it was the lack of motion. After living aboard for three yrs I spent a couple weeks off of it and every night I'd wake up and freak out seeing trees out the window. And I didn't have pressure water so I couldn't get used to endless water coming out of the faucet!
...you wear out barbecue grills faster than running rigging
...you define a good anchorage as one where you can get wifi
...the only thing you do religiously on Sundays is motor to the pumpout facility
...you define an easy chore as one where you only had to pull out 3 tool bags
Good ones!! My favorites so far are the ones about wifi anchorage (except for us it is 3G wireless anchorages) and Sunday pumpout because they are sooo true.
P.S. I am enjoying reading everyone's own notes while taking a break from...you guessed it...putting away 3 tool bags!! HAHAHA!