There's something pure about text-based interfaces. No loading spinners, no JavaScript frameworks, no cookie banners. Just text.
I then made my first email client, then an RFC later, and after browsing the web through telnet for a while, made my first web server!
Missed a trick not being able to “telnet telnet.org” though. :-)
#set signature="cat ~/.signature && telnet towel.blinkenlights.nl 666 | tail -n3|"