How to know if we're doing the best decision in our career path?

Dear,

Just when we gain the good and\\or targeted results, this time i will know that my decisions were right ,otherwise, (no results) that mean i got wrong decisions

I appreciate the answers above, thank you for your helpful ideas.

FIRSTLY IF IT RELATED TO MY INTEREST AND IN WHAT I AM GOOD.

SECONDLY IF I AM GETTING WHAT I WANT FROM MY JOB

THIRDLY IF I AM HAPPY AND MY HEART TO WILLING TO DO THAT.