Why do people have dreams about having sex in weird places.?

for instance i had a dream last night abiut riding ina car doing a hand job on him then we couldn't keep our hands off of eachother.Why do I keep havine these kind of dreams?

obviously you are hungry for sex and not getting enough or you just want more sexual excitement in your life.
Dreams are your subconscious desires and wants being expressed. Are you tired of just having "plain old" sex in the same old way, do you feel the need to try new places that will excite you with the danger of getting caught or just feel that there should or could be more excitement in you sex life.
Well then talk to you partner and let them know and seek out new positions, places and even role playing. Put some ummph into you sex life.

Subconsiously, that's what you really want.
because maybe that is what they want to do but never did. it sort of is like a guilty pleasure per say.maybe because your hormones are at peak and you just want to have fun and do something spontaneous and adventurous-something you have never done before. maybe you want to do it but are shy to say it therefore it stays in your mind.
Have you just met someone, or do you have someone you are attracted to on your mind? Or perhaps you are sexually frustrated if you haven't done it for a while. Thats not too weird, I've heard alot stranger than that!
Because your horny and need some action.
http://spirita.blogspot.com/