When she said it, you knew it made sense to you. Maybe in the larger scheme of things, this period won't matter much, maybe you'll breeze through it. But in order to breeze through, you'll have to pretend it doesn't effect you.
And it's not like pretending is an alien concept to you.
Fall back on your padded mattresses, with flowery bedsheets that you can literally smell, but make sure you get used to sleeping on the hard cold floor simultaneously.
You're a big girl now.