"It's considered ill practice where I come from to take on debts with no legible caps on their objective magnitude, unless you're creating a child in which case you don't have a choice and somebody's got to do that sometimes.  I suppose that since the real cost and real value are being assessed by reference to your own values, you could feel safe with that?  Though for edge-case coverage reasons I'd want the explicit understanding that the favor you owe me is greater than the favor I owe you, say by a factor of at least two, and that the two can potentially be partially cancelled against each other."

"It's considered ill practice where I come from to take on debts with no legible caps on their objective magnitude, unless you're creating a child in which case you don't have a choice and somebody's got to do that sometimes.  I suppose that since the real cost and real value are being assessed by reference to your own values, you could feel safe with that?  Though for edge-case coverage reasons I'd want the explicit understanding that the favor you owe me is greater than the favor I owe you, say by a factor of at least two, that they are positive in sign, and that the two can potentially be partially cancelled against each other."