In 2013, everything started going downhill quickly and Dominic, who lives with his partner, Louise, knew there was something wrong with his health.
Yn 2013, dechreuodd popeth fynd o’i le yn gyflym ac roedd Dominic, sy’n byw gyda’i bartner, Louise, yn gwybod bod rhywbeth o’i le gyda’i iechyd.