There is no one-size-fits-all answer to the question of how to tell if someone is gay, because sexual orientation is a complex and personal matter. However, there are a number of physical, emotional, and behavioral indicators that may suggest someone is gay or bisexual.
A person's sexuality is determined by a combination of genetic, environmental, and cultural factors. While some traits or behaviors may be slightly more common in people who identify as gay, it is important to remember that a person's sexual orientation cannot be determined by their appearance or behavior alone.
The first thing to look for is whether a person mentions their attraction to men or women. If a person frequently talks about their attraction to women, or expresses interest in women's hobbies and interests, they may be interested in same-sex relationships. If a person seems uncomfortable when talking about their attraction to men, or seems defensive about it, they may be hiding their homosexuality.
Another way to tell if a person is gay is by the tone of their voice. Gay men often have higher-pitched voices than straight men. This is because their vocal cords are more relaxed when they are with other gay men. This difference in pitch can be easy to miss, though, especially when a man is speaking with a close friend or family member.
It is also important to note a person's friends. A gay man may have a circle of close male friends, while a straight man may only be friends with women. A person's friends can offer valuable insight into their sexuality.