The men who completed the friendship word puzzles produced a 26% greater homoerotic motivation when compared with guys who were given neutral or sexual puzzles. Straight guys and gay sex fantasies Straight Gay Fantasies: Findings Example: The idea of kissing a wo is sexually arousing to me. Results from the word puzzles were then correlated using a simple Likert scale questionnaire to assess homoerotic motivations. Afterwards, each participant was blindly assigned to one of three test groups. In this study, levels of progesterone were sampled and measured in 59 males.
Translation: It’s part of the chemical reason why humans develop friendships. Similar to oxytocin, progesterone is partly responsible for the formation of social bonds in mammals. Much of this to do with a hormone called progesterone, a brain chemical that is produced in the pituitary gland and present in both women and men.