The context of the following conversation is Jan had broken both their arms but was thirsty, so Addison filled Jan's mouth with water.:
Addison says I was trying hard not to spill water over Jan..
The friend responds Why would you spill water on Jan?.
Addison responds She has broken both of her arms so can't drink for herself..
The friend responds You should buy a straw..
Addison responds That's a smart idea..
The friend responds No problem..