Boy can I relate. When I first started to recall things, I really didn't fully trust my own memmories either. Thank God my therapist was supportive through my self-doubt. Or else I'd be dead right now. I felt so unsure. I didn't want to believe myself.
I think you have to go with your instincts. And if your therapist seems unreasonable, change. This is terriblly hard as it is to deal with, You NEED a support.
Courage is what it takes to stand up and speak; courage is also what it takes to sit down and listen. ~Winston Churchill
My mission in life is not merely to survive, but to thrive; and to do so with some passion, some compassion, some humor, and some style. ~Maya Angelou
Those who understand only what can be explained understand very little. ~Marie von Ebner-Eschenbach