It's your hormones, OP. That website section is called from the heart or suchlike, it's meant to be as sentimental as possible.
I have 3 adult size sons who I mostly enjoy. The eldest came home few weeks ago just to wash my car (Mothering Sunday, result !! ) Looking at pics when they were small & adorable, I can find guilt in my parenting failures but not grief that they developed into healthy interesting people.
Don't let your enjoyment of the past stop you enjoying the present.
ime, 8yr olds are still little boys, btw.