Shame is a very common reaction. Unfortunately it’s not useful and if you dwell in your shame it will take a lot longer to find methods to manage yourself better.
You are still you. Autism isn’t a disease so much as a classification. Welcome to the rest of your life. You now know that there’s this huge group of people that can relate with exactly what you are going through.
Congratulations you can now recognize in advance situations that you will have difficulty with and prepare for them instead of going in blind with both hands tied behind your back.
You are not alone anymore.
I'm glad you finally know. When you are ready we can work together to make life better.