I haven't used the forums in approx a decade. I once was highly active on a few public and private boards. I went by "Arnoldshwollenpecker." I look forward to sharing knowledge.
Welcome to the SI community ... many people in their 40's and 50's here .. you should be equally open learning new info and well as sharing .. I'm sure the are many here as experienced if not more so than you ... so keep an open mind ...