Imagine
You: *talking to lux* awe sweety.
Zayn: *sees how good you are with kids, comes to you and wraps his arms around your waist* maybe we should make babies huh babe?
You: *giggle*
*Later that day*
...
Niall: *eating a sandwhich*
Lux: *runs to Niall* uncle Niall, how do we make babies?
Niall: *leaves his food* THATS IT! Zayn!!