GEt on grindr now (spoof GPS) , meet a few like minded young people. blued, romeo. there are many young men looking for foreign friends (if only to practice their english skills). Just put in your ad something like "looking for friends first, no money boys, sex ok, but not required," and university and other young professional men will contact you.
Keep in mind if you hook up with friends (not money boys) they have work and school lives and cannot support fulltime tour guide.
also, a siamroads tour guide (or other guides - there is a phone app for tour guides I think) for a day or 2 can help you learn the landscape.