There are lots of hobbies
And since I am chronically-online, I tend to get influenced by cool final products made by talented people in their own hobbies, which makes me want to start said hobby.
I've done a ton of stuff before, some of which are:
Programming, Electronics, Literature (Reading, writing and composing), Mathematics, Language learning, Drawing, Modeling, Animating, Music production, etc...
Although I have not attained a solid momentum in some of them, the ones that have clicked with me are continuing to prosper 'till this day, which is quite concerning since I am barely keeping up due to the large amount of activities I could do. It's truly overwhelming, I'd say.