Do you think the speaker regrets his loss of youth?

The speaker likely feels a sense of nostalgia and longing for their lost youth, reflecting a common sentiment associated with aging. This regret may stem from missed opportunities or the carefree nature of youth that can no longer be recaptured. However, the speaker might also recognize the wisdom and experiences gained over time, suggesting a complex relationship with their past. Ultimately, the feelings of regret are intertwined with appreciation for the journey of life.