[She lets him have his moment. Reveling in the isolated Winter Wonderland the two of them created. Her fingers were starting to go numb by the time she gave his hand a light tug, gesturing to one side, but she didn't particularly care.]

Come on. Let's go sit for a bit.

The spell should hold as long as we're still holding your staff. If we let go, then everything will start to melt...and I'm not sure our roofs are leak-proof.