BM-24 - In an article in the Journal of Sex Research, Gay and bisexual men's age-discrepant childhood sexual experiences, nov. 2004, by Jessica L. Stanley, Kim Bartholomew and Doug Oram, the authors state:

One man, at fourteen years old, researched the location of gay bars and met a man with whom he had a few sexual encounters and with whom he has maintained a friendship for nearly twenty years.