The one thing that you have that nobody else has is you. Your voice, your mind, your story, your vision. So write and draw and build and play and dance and live as only you can.
There are some movies that I would like to forget, for the rest of my life. But even those movies teach me things.
If you make a feelgood film which is complete candyfloss, where everybody is good and everything is beautiful and hunky dory, it won't appeal to the audience.