12:00Beti a'i PhobolDerith RhisiartBBC Radio Cymru Duration: 49 o funudau Sun 21st May 2017, 12:00 on BBC Radio CymruAvailable for over a yearGwrando nawrBeti George yn holi'r seicotherapydd Derith Rhisiart. Beti George chats to psychotherapist Derith Rhisiart.GenresFactualLife StoriesBrandBeti a'i Phobol Source: BBC Online