If I'm happy, why do I need Jesus?

My life has never been better. I've never been happier than I am now. I have a sense of peace and fulfillment like I've never known before. I feel like I can handle anything that comes my way and it's only getting better. And I've done it all without Christianity. I feel liberated from the fear of divine punishment and the sense of dread of always worrying whether my actions are pleasing or not to God. And guess what? I haven't d, murdered, or stolen from anyone. I'm just the same as before, only now I feel like a heavy weight has been lifted. I don't feel so much pressure to act a certain way anymore. If I honestly feel great and haven't harmed anyone then why would I need religion?