It's wrong to judge how others live their life.
Dave has just met Kevin at a party when Kevin tells Dave that he lives life as a nudist.
Dave wants to respond to Kevin's admission.
Dave tells Kevin that he loves warm clothes too much to be a nudist but respects Kevin's choice as it's his home.
Dave tells Kevin  that he is disgusting and that he should be ashamed of himself.
Kevin feels happy that Dave understands and isn't being judgemental about his life choices.
Kevin feels low and derided and is extremely embarrassed and remorseful for revealing that to Dave.