Williams has reportedly battled mental illness, obesity, self-esteem issues, alcoholism, and substance abuse throughout his life. He has discussed how his friend Elton John booked him into a clinic to cope with his drug use that emerged from the depression he was experiencing while still in Take That. Williams revealed in 2011 he had been experiencing lethargy caused by a type of hormone imbalance called andropause for a number of years, and thought at first it was a return of his depression. In a June 2020 interview with Weight Watchers Magazine, he revealed that he had developed an addiction to online golf games. Interests Williams has a strong interest in UFOs and related paranormal phenomena, and pursued this interest during his 2007–08 sabbatical. His interest in the subject led to him taking part in a documentary for BBC Radio 4 with Jon Ronson. The documentary followed them to a UFO convention in Nevada, during which Williams connected his interest in the paranormal with the desire to understand his childhood fears of his mother's interest in "the world's mysteries, elves, demons, [and] witchcraft". Williams featured in a 2018 TV documentary Hunt for the Skinwalker by Jeremy Corbell, and revealed that his partner Ayda Field dissuaded him from buying the Skinwalker Ranch when it became for sale. Williams became an ordained minister with the Universal Life Church Monastery to officiate the wedding of friends. Williams has a number of tattoos, many of which are related to British culture. These include: an Ace of Spades, commemorating heavy metal band Motörhead. a fez, common headwear of comedian Tommy Cooper. the logo of The Saint, tribute to Roger Moore who played the titular character on the TV show. the spectacles logo of The Two Ronnies, the comedy sketch show of the TV double act of Ronnie Barker and Ronnie Corbett. the "skip dance" pose of Morecambe and Wise, another TV comic double act (Eric Morecambe and Ernie Wise). a Stafford knot, a symbol of his home county Staffordshire. the logo of his former group Take That. the coat of arms of Burslem, the town in Stoke-on-Trent where he grew up. the notes and words of the first line of the chorus of the Beatles' song "All You Need Is Love" on his lower back. Williams became a fan of his hometown football team Port Vale FC as a child after his father became the licensee