Puh - I'm not sure WHY I learned bass.
I was about 14 years old i think - but there was no band in sight. I did it only because... i wanted somehow to. Listened a lot to RATM and maybe they were the cause. And because my whole family is rather unmusicallyformed I had to do some persuasion.
Then, when i got my bass, I was really keen in learning. Had one book and one friend playing bass (pretty bad) - he showed my rudiments in technique (~ 10mins) and the rest of the year i studied with my book.
Afterwarts I was able to play almost every lick in this book, plus almost any RATM Song and a lot of Mighty Mighty Bosstones-Songs. My slapping was okay but not sensational.
So I decided to go for a checkup, i.e. lessons for some time. My teacher told me that my technique is quite okay - some stuff in lefthand technique was straightened out and the rest was an excursus throughout music history (Beatles and CCR to Jamiroquai). I decided to quit after one year.
I joined a BigBand which forced me to read a lot of notes (yeah - in fact their songs were only available as sheet music

) - I was able due to my lessons, but pretty bad at it - and still am.
And I think up to today, I think I'm still learning it

Know rudiments in double thump, tapping (but i don't like it really) and chordplaying - and just now I'm trying to grow into those things.