VIDEO : 'Teen Mom OG' Star Amber Portwood Says She Wants To Quit The Show

Amber Portwood, one of the original "Teen Mom" cast members, is ready to call it quits on her reboot appearance in "Teen Mom: OG." Amber took to Twitter on Monday to express that she "can't" continue with the TV series any longer. She then followed up with another tweet that said, "I have to quit this show." The heartache this show has put me through is too much to bear anymore.