Rote,
why would you want to spend up to 3years (or longer sometimes)training for a career you really don't want to do?
It takes a lot of hard work, study, and ability to become a valid ATCO.
Also if you're hearts not in it and hankering after another career then I would think you would be less likely to succeed in ATC.
Decide what it is you want, THEN put yourself through the stress and heartbreak for whichever path you choose.