You're cool with Damaris Cruz, who lives with her sister Nelsa (but goes by Nelsi at times). This past Monday you made a trip to the corner bodega and ran into Nelsi in the store, and asked about Damaris. She said Damaris was going to call you because she's having problems with her computer, and if you're not busy could you stop by.
Since you haven't seen Damaris in awhile you come upstairs with Nelsi. Damaris is happy to see you, and explains that her computer and printer are malfunctioning. You look at it, but realize it's going to take time so Damaris said you could come by around 7 PM tomorrow or Nelsi will be home around 3, if that's better?
Damaris offers to pay you or cook you dinner in return, but you tell her not to worry about it. So you call around 3:15, and tell Nelsi you're coming over and she says Ok, but then asks for a favor. She's a bit short on the cable bill (as well as a few other bills), and wants to know if she could borrow $200?
Nelsi tells you she will pay you back when her income tax refund comes in and please don't tell Damaris. You give it some thought (not much, because you'll probably never see the money again, but you and Damaris are good friends), and lend Nelsi the money anyway.
So when you get there before you work on the computer and the printer, Nelsi explains she should be able to pay you back in April.
Nelsi is grateful and says she will give you interest for lending her the money, but for now...
What cha gonna do?
