until when are you going to live off your parents house?

[flytothesky]

Hello~ Can you help me say this naturally please?

A: Hey, you should grow up.
You are already middle thiryth age (age 34~37) ,
until when are you going to live off your parents house?

B: ⓐ Until I become age 50. or
ⓑ until my parents give the house to me.
Otherewise I'll never move out.

A: Huh! You are the man!
Just keep liveing like that. I gave up.

[Donald Gordon]

You are already in your mid thirties.
How much longer do you expect to live off your parents in their house?

Until I'm fifty or until they give me the house.
Otherwise I'll never move out.

Hey, you're the man. Just keep mooching, I gave up.