Eh, she might have genuinely not realized that he’s attempting a joke. You do need to bring across in your voice+expression that you’re being humorous, otherwise it sounds like a normal question, and if they’re on a party or such, that can be difficult.
Not to mention that if she’s a biology student, the info that koalas are marsupials probably makes it quicker to her head than the realization that he’s joking.
Eh, she might have genuinely not realized that he’s attempting a joke. You do need to bring across in your voice+expression that you’re being humorous, otherwise it sounds like a normal question, and if they’re on a party or such, that can be difficult.
Not to mention that if she’s a biology student, the info that koalas are marsupials probably makes it quicker to her head than the realization that he’s joking.