I was in Bangkok for 3 weeks I late December early January. This was about my 12th (at a guess) visit since 2000 although my first in about 4 years. I found the scene had changed dramatically for the worse. The go go bars have fewer boys, the famous muscle bar Tawan was a tragic shadow of its former self. There were very few men and most were older, overweight, heavily tattooed. Plenty of customers mind you but the place was very dispiriting. Anyone walking in not knowing what to expect would have assumed it was a chubby chasers bar. Since my January visit there have been a lot of changes. Soi Twilight has closed and the bars dispersed. There is a lot of discussion on this on the Boytoy website which I commend you to read. However there is general agreement that the Internet has changed everything and Bangkok will never return to its former glory. I love Bangkok and the Thai people and I will certainly return but with reduced expectations.