[thallada]

The article said that people are their own best judges of internal state:

> People know themselves best on the traits that are tough to observe and easy to admit. Emotional stability is an internal state, so your friends don’t see it as vividly as you do.

Gender identity and sexual orientation are internal states that one can hide for years without anyone else ever knowing.

Also, you don't need to be sexually experienced to know your orientation. Sexual attraction starts to develop around age 10. These clubs are so important because they help kids come to terms with who they are instead of hiding it like most young gay people do because they know it is different and that their friends might turn on them.