Dave Coulier sits down with ET’s Rachel Smith at him home in Michigan as he shares an update on his battle with Non-Hodgkin lymphoma. Dave, who is a new grandpa and also appears on the latest cover of ‘Parade’ magazine, shares how the support of his loved ones, including wife Melissa and ‘Full House’ co-star John Stamos, have kept him going in his fight. He also reacts to his first ET interview!