While all this and most other advises are applicable to career, money, and tangible things, what does one do when unable to make a decision in intangible things

While all this and most other advises are applicable to career, money, and tangible things, what does one do when unable to make a decision in intangible things like relationships and love life? Asking because stuck in a situation where not sure what choice is better for me, for the other person and there is nothing that's helping me decide.