I think they can help you see what may be thwarting your ability to find it, if that makes sense.

Life's meaning or purpose eludes me as well, but my current T made it clear that I won't find it by obsessing over (and constantly writing about) my resentment toward my former T. (Touché.)

That's not to say that it's just our choices that work against us, however - in my case, there's also an organic obstacle and I'm sure that's true for others as well.