"Dave was great in Van Halen. No question about it. He was one of the best at being Mr. Rock Star. But it's sickening to see a guy still trying to be that with a wig on 20 years later"

This quote by Sammy Hagar is describing Dave Lee Roth, the original diva of the band Van Halen. Hagar is expressing affection for Roth's skill and charm as a rock star, however also revealing his disappointment in Roth's attempt to keep his rock star personality even after 20 years. Hagar indicates that Roth is trying to keep his vibrant image by using a wig, which he finds "sickening". Hagar is recommending that Roth must accept his age and carry on from his rock star personality. He is indicating that Roth ought to accept his age and discover a new identity, rather than trying to hold on to his past. Hagar is likewise revealing his appreciation for Roth's talent and charisma, and his frustration in Roth's attempt to maintain his rock star persona even after 20 years.