ALWAYS be confident in your decisions. Live life for you. If someone doesn't like it i guess they don't have your best interest in mind. only you can make the decisions that will change your life into what you want it to be.
"Admit when you're wrong. Shut up when you're right." -John Gottman (This man knows a LOT about what helps - and what hurts - relationships. He's done tons of research on it, read his stuff it's amazing.