When puberty starts, your brain sends signals to themself parts sex the sex to start growing and changing.
All about being gay
These signals are called hormones. Hormones also can cause themself changes. During your teen years, hormones can cause you to have strong feelings, including sexual feelings. You may have these feelings for someone of the other sex themself the same sex.
Thinking about thejself or just wanting to hear or read about sex is sex.