Have you ever considered what you would do if you only had one year left to live? Figure out what you truly want out of life is step 1.
Many people give up on their dreams because they don't believe they can do it. Look to Mary McFly who says 'If you put your mind to it, you can accomplish anything"
This life is yours and yours only. You should create your story, not others. This world can be very prejudiced that most people try to change their identity.
When you are starting something new, you may feel overwhelmed and uncomfortable. That's okay. Don't give up because there's a bit of discomfort. Work through it