your at the movies
Friend: " hey will you buy me a coke and a popcorn, i blew all my money in the arcade after i bought my ticket, i'll pay you back tomorrow at work"
You: " Sure"
the next day at work
You: " dude, wheres my money, that theater food was expensive, and i need that money for lunch"
Friend: " sorry, i have the money, but i need it for lunch, i'll pay you back tomorrow ( probly won't ) "
You beat him up to get you money
the next day to another friend
You: " dude, i totally pulled a stewie with steve yesterday after i loaned him money the day before and he said he'd pay me back the next day"
other friend: " dude sweet, i wish i could have seen you kick his ass"