"No, not crazy. We get that a lot." Or at least when they both show up somewhere where people aren't clued into the fact that they're twins. They really ought to pull some shenanigans sometime.

He shakes her hand and is again somewhat relieved to find that someone is being nice to him instead of saying ew freshmen and... moving him out of their way with their mind or whatever it is people do here.

"Hi. So what year are you? Sam and I just transferred. We're sophomores."