It's easy to say "choose so that you'll have no regrets," but that's impossible. No matter how hard you've agonized over your path, you'll always regret something about it later. That's just how we humans are made. Which is why I think our true feelings are important. If you choose your path based on your true feelings, it'll hurt just a little less when you feel the same regret, right?
If at some point in life, you made a mistake or keep failing over and over again, and you can't help but think it's useless and you're a good for nothing; Remember, you're only taking a detour. And I'm sure further along your path will come a day where you think, "It was a good life experience". That's why it'll be fine.