man: that workout has left me feeling great!
man: oh man, these endorphins are the BEST! i feel like being productive! so much i wanna do!
girlfriend: oh good, you're back!
girlfriend: time to go show shopping with me!
man: what a waste of these endorphins
man: wait! maybe they'll make shoe shopping AWESOME!
*later*
*man is holding shoe boxes and girlfriend is pointing to shoes on her feet with an open box in the background*
man: nope.