Participation in a rite of passage can be a powerful experience, and it is common, while involved, for participants to experience a sense of

Pride and self confidence. Milestones are a way to commemorate important steps we have completed in life. Rituals play a big role in our lives as humans and we create nostalgic moments in that way. Humans usually feel happiness as well in these moments and the can revisit these ideas.

It depends on what you believe, if you’re christian that you would have been told that the first humans were created by god and that we’re all decedent's from adam and eve but scientist say otherwise