Answer:
I am just two and two. I am hot. I am cold. I am the parent of numbers that cannot be told. I am a gift beyond measure, a matter of course. What am I?
I'm many people's favorite place, even though many don't remember their stay. You'll love to come but hate to leave. If you get cold, use my sleeve. What am I?
I am a protector. I sit on a bridge. One person can see right through me while others wonder what I hide.
I get wet when drying. I get dirty when wiping.
I come with a train and go with a train and the train doesn't need me but can't go without me.
It's what light turns into in the night