Answer:
I am a small paradise surrounded by dryness and heat.
I come with a train and go with a train and the train doesn't need me but can't go without me.
What do you call a pig that is no fun to be around?
I taste better than I smell. What am I?
I am a fruit with seed on the outside.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?