Broadly, there are three reasons.
I have a strong urge to express myself
As the popular labels go, I am an INFJ.1
1 A personality type with the Introverted, Intuitive, Feeling, and Judging traits, based on MBTI.
This was shaped mostly by past experience. As this is a test post, I will not go into it.
The domain was cheap
I paid about 40 CHF for five years, from now until July 2031.