It's 20+ years since when I started being a developer for a living. Before that development was only endless fun, no matter if day or night. I profoundly love C, C++, Java, Python, PHP and JavaScript. And Unix shell scripting too (Korn, TC, Bash mainly).
I'm delighted by:
not necessarily in that order.
Oh yes, I almost forgot: I am an aged, grumbling and devoted fan of Unix. But I like Linux a lot as well.