I recently invited two of my guy friends over for a home-cooked meal. I called them up and said I'd love to cook a meal for them, all they had to do was show up.
I made my own version of chicken cacciatore, along with rice and fresh sauteed spinach and blueberry coffee cake for dessert.
Not long before dinner one of the guys texted me and said he made other plans and wouldn't be able to make it for dinner. Then he asked if he could come over later that night after his other event. I was surprised and a bit miffed, but agreed.
He showed up at about 9:30 and immediately asked if there was any food left from the earlier dinner. Around half an hour later there was a knock at the front door. Turns out he had invited another friend to drop by as well.
Lesson learned: if you extend hospitality to socially clueless single guys, prepare for your hospitality muscles to be stretched.