I think theres a tree growing inside if me!?

ok so last night I was out in my garden and got hungry. i didn't want to go inside so I did something kinda stupid.... I started eating the grass and the soil. it tasted REALLY yummy so I kept eating. I think I wet part of a tree branch! now I can feel the free growin inside of me!! my tummy is even turning green and brown!! what should do??! someone pleSeeeeeeee help!!