On his 1-on-1 date with Bachelorette Tayshia Adams, Zac C. opens up about his past and his journey to where he is now -- from a brain tumor, to addiction, to his current role as a board member for the same rehab facility where he got clean. From 'Week 8' of 'The Bachelorette' 2020. Watch TUESDAY 8|7c on ABC, streaming, on demand, and Hulu.