Relax in a hot bath.
 Loiter in the shower.
 Heat your towel or bathrobe in the microwave or dryer. If you’re lucky, you can have someone prepare it while you’re making your ablutions.
 Double up your socks.
 Wrap your hands around a nice soup-bowl sized cup of tea, coffee, or hot cocoa, and sip it slowly when it’s warm.
 Do a few sets of jumping jacks, sit-ups, or push-ups.
 Drink whiskey.