i, too, moved out the house at 17.
i know between then and now, many many many days have come where i wished i could just take another few months to move back in so i can get my shit sorted out financially.
i canm't speak from experience, but i'd imagine moving back in with your mum can't be too bad... really, i think anyone would do it given the oppertunity.
if the ladies ask why, just tell them you're in the midst of closing the deal on your own house. they'll understand