Purdue/K-State first half total is 61.5 after a 65 open. You could see a middle coming from a mile away with that kind of line movement.
So what happens? After 50 points in the first 13 minutes, the game comes to a total standstill. And where does the 1H total end up? Conveniently at 63, with just 13 total points after the under 8 timeout.
You can't make this up. But yeah, it's just because oddsmakers are "sharp" with these lines.