Answer:
I run cold and hot, I look blue but am red. What am I?
Of these things - I have two. One for me - and one for you. And when you ask about the price I simply smile and nod twice.
Upon your lonely journey I accompany you, whether you travel through endless mountains or seas of blue. Wherever you go, I keep your place. Lost you're not, when I'm embraced. 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?
A sport with love and service played by singles and pairs.
I am a cave full of bones and the house of a worm.