frozen water bottles

well, it's that time of year where you lube up the face with bag balm, carmex, hope your water bottles don't freeze, and your eyes constantly water and streams of snot season, so
I thought:

let's all share winter riding tips. Some of us have thought about it, some of us do it. So what's your tips b/c you never know who might give it a try.

sorry rudymuto, you can skip this!!!! well actually you probably have some great winter clothes suggestions!!!!!