[IshKebab]

This is silly. Debt doesn't just have to be monetary. Or can we no longer say "I am in your debt" because we can't accurately estimate a monetary amount for that debt?

[romwell]

Someone, to author: Thanks, dude, I owe you one!

Author: this has no clearly defined principal and interest, so "owing" is not a word you should use

Someone: ... Never mind