relational databases
One of my chief joys in life, often to dismay of others, is working with data. Some members of my family (who shall remain nameless) would characterize this fixation as bordering on obsessive, others just call me a "geek" and leave it at that.
I don't care.
Give me a data set and I can play happily for hours. The sky gets dark. The dog entreats me over and over to please throw her sopping toy so she can go chase it. The cats walk between my hands and the keyboard and rub their bodies against my face.
But I don't see any of that when there's a computer screen in front of me and columns…