Lol the entire enterprise crew needs some deep therapy after all the traumatic shit they deal with on the daily. The most unrealistic part of that show was how none of them became became grizzled after 10 years of life altering experiences and losses though they often showed others who did. I want to assume they had access to more than troi and just didn't show it because an entire crew probably couldn't be supported by one therapist similarly to how whichever physical health doctor on board had lots of help and even other doctors.