William Daniels on Turning 100: 'I Don't Want To Be'

William Daniels, known for his role as Mr. Feeny, is set to celebrate his 99th birthday on March 31. While reflecting on his upcoming birthday, Daniels playfully expressed a desire not to reach the age of 100. He shared his feelings with PEOPLE, indicating he does not feel his current age.

His family, including his wife Bonnie Bartlett and their two sons Michael and Robert, will gather to celebrate his 99th birthday. Daniels attributes his continued vitality to an active lifestyle, which includes personal training, attending fan conventions, and creating hundreds of Cameos annually. He finds performing these digital shout-outs invigorating and enjoys remaining productive.

Daniels, married to actress Bonnie Bartlett since June 30, 1951, marks 74 years of marriage, one of Hollywood's longest unions. He shared that their enduring relationship is built on a foundation of commitment, emphasizing that they never seriously considered other partners, thus motivating them to resolve issues together.

Both Daniels and Bartlett prioritize their health, exercising together multiple times a week. Bartlett, also 96, previously mentioned their deep connection, noting an almost telepathic understanding and mutual support that helps them navigate challenges. Their life together includes raising two sons, becoming grandparents, and even sharing the screen on Boy Meets World.