99% of people:

• what if I fail?
• what if I embarrass myself?
• what if people don’t like me?
• what if I’m not good enough?
• what if I can’t do it?

1% of people:

• what if I succeed?
• what if I grow and learn?
• what if I know I like myself?
• what if I work on getting better each day?
• what if I know I can do it and will try?

Your only limitation is the one which you set up in your own mind.