Because that's the best way to make your trip awesome, communicate and share ideas with people. Travelling from hotel to hotel only with your companion is nothing comparing with couchsurfing style. Even if you are not travelling, you can host traveller who'll bring his mood and culture to your home.

I enjoy old music like rock-n-roll, jazz,blues.and also it would be unfair not to mention classical music,especially Beethoven films by Stanley Kubrick, Alfred Hitchcock