Answer:
What gets wetter as it dries?
I can be long or short. I can be grown or bought. I can be painted or left bare. My tip can be round or square. (one word)
I invade your home once a yearโฆbut only if youโve been good.
I can wave my hands at you but I never say goodbye. You are always cool when with me even more so when I am high!
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves every day. What am I?
I always have to work with something in my eye. What am I?