Or not.. If Maggie has powers of her own, she won't be too tempted by that. Also Michael has handled a lot of her upbringing, he will see to it that she knows the dangers.
That worked well with Molly, no?
(sidenote: I never really bought just how far off the rails Molly went before/during PG. Seemed a bit of a stretch that her phase would go beyond piercings and crazy looks; after PG all her deviations are much closer to what I'd expect from an overconfident teen, while in PG she was approaching actively scummy)