I’ve used Linux off-and-on for over 20 years (I think SuSE Linux (4.*?) was the first that I used… Slackware based IIRC); I’ve used most of the main Distros over the years, some have survived to this day… many didn’t make it to a second release.
My main OS is/was LMDE2 MATE - I also use MX Linux and SparkyLinux… but those two, although good, are lacking something I want/need, so I keep checking back on the projects. There are a number of reasons that I’ve been using Manjaro this year, the rolling release model being the main one, another reason is security. LMDE is pretty good with updates, but it’s not as good as Manjaro/Arch… for example: Chromium is still on a 57.* version in LMDE - Manjaro/Arch is on 59.0.3071.115. Without checking, I’d bet there’s been a few vulnerabilities patched between v57 and now. OK, I know Desktop Linux isn’t targeted as often as Windows, but that doesn’t mean it can’t/won’t be at some point in the future, and IMHO, relying on “not being Windows” or Security through obscurity to keep you safe isn’t a good idea.
Anyway, I’m happy with Manjaro - it’s a more sensible (though not more educational way of installing Arch) - has some useful tools - and has an update policy (unstable->testing->stable) that works well.
There’s more to say, but I’d be bored by now if it was me reading this, so this will do as a short intro.
Oh, age-wise… I’m more than 60 - although I’m still 21 in my head