Just got primary custody - can't believe it actually happened

After 18 months of legal back-and-forth, the judge ruled in my favor. I have the kids (12, 9, 7) full-time now with my ex having them every other weekend plus one weeknight. Honestly I'm relieved and terrified at the same time? Like I wanted this, fought for it, and now I'm like oh god I have HOMEWORK to manage and dentist appointments and I can't just zone out on Fridays anymore. But my oldest gave me a hug after court and said 'thanks dad' and that pretty much said everything. Anyway. Anyone else go through this transition? Advice for adjusting schedules/bedtimes/all of it?