Matthew talks about quarantine with his whole family, his new memoir filled with crazy stories - 'Greenlights,' doing peyote with a mountain lion, his dad questioning whether Matthew's paternity, building a 100 foot treehouse when he was a kid, his adopted brother meeting his birth parents, growing up as Little Mr. Texas, and Jimmy asks him to give America the pep talk we so desperately need. Watch Jimmy Kimmel Live! WEEKNIGHTS 11:35|10:35c on ABC, streaming, on demand, and Hulu.