Bigger pots is a BIG plus.
The roots get a lot of space and grow happy
Do not cut no leaf, your plant needs every healthy leaf it's got. the branch will outgrow it.
Unless you see two different types of flower on it you do not know.
When it starts to flower wait to see what the flowers look like.
Two white hairs, it's a girl
You see balls, it's a boy
You see both... you guessed it hermie