Droning of little-one coos, fidgeting, and adult sighs who feel the same boredom.
The speaker is talking about knowing "who we are" by "remembering".
Well, I've been doing a lot of remembering and it's making me hate myself.
Shouldn't the present make you who you are?
What you are right now is who you are.
Missing my old self doesn't do any good for 17 years, 4 months, and 5 days old me.