I think these two posts could be rife with plot bunnies. I can just imagine each of the Weasley brothers thinking/saying some of these things in their own way. Kind of reminds me of Peter Pan where Mr. Darling is always trying to determine if they can afford their children. In any case, they made me laugh out loud!
The Hidden Expense of Having A Girlfriend The Hidden Expense of Having a Boyfriend, a rebuttal
I especially loved the bit about Upgrades! Too funny, and too true!