Well, first of all, you shouldn't define your worth by being in a relationship with anyone, male or female. You should know you can be a completely worthy and happy person without depending on someone else to make you that way.

I really think you need to talk to a wide array of people, gay and straight, because your attitude and fears about being gay are overkill. What if you're gay or bisexual? So what? You can have a loving relationship and have children. Lots of people have plans for their lives when they're young, but life often doesn't turn out the way we planned.

Being "exposed to all of this gay/lesbian material lately through media" will not make you gay. If you're having feelings that you are gay or bisexual, then you need to examine yourself and what you believe. A psychiatrist can't make you not gay. Being gay isn't a mental illness. It's also not a choice. That doesn't mean a psychiatrist can't help you through your anxieties.

I hope others reply, because there are others here who have had experiences like yours who can relate to you.