Modern AU..
Lan WangJi: A-Xin should sit here and do it..
Lan WangXian: (3 years old) A-Xin sit?
Lan WangJi: (nods)
Lan WangXian: (looks at a rabbit design potty chair) Sit.. (squats in front of the potty and pats the potty chair) Bunny.. (giggles)
Lan WangJi: (stands beside WuXian and they both see WangXian play with the potty chair but not sitting on it)
Wei WuXian: (hits WangJi's arm with his elbow) I told you not to pick the rabbit design. He'll never sit on it.
Lan WangJi: But.. He likes it..
Wei WuXian: We're potty training him, not buying him another toy.
Lan WangJi: But Wei Ying..
Wei WuXian: Ah! No buts.. (gives WangJi the receipt) Switch it to a plain looking design one or we'll never get to potty train A-Xin on time.
Lan WangJi: (thought of a bear design) How about a-
Wei WuXian: (gives WangJi the rabbit design potty chair) I know what you're thinking.. Sadly it's still a no..
Lan WangXian: (in WuXian's arms) *Buh bye (*bye bye) bunny.. Papa.. Hurry back..
Lan WangJi: (looks dejected but nods)
WangJi did come back with a plain design potty chair in the end.