This is a real conversation. My friend is working as a psychologist intern, and I was amazed by her work.
- My friend: In my last internship I really enjoyed to work with patients with anxiety disorder, depression and OCD in a psychiatry.
- Me: That sounds fun, and stressful at the same time. It usually takes me lots of energy to consult a friend in trouble, not to say several patients.
Immediately after saying that, I wonder if the use of "not to say" is being used correctly in this context. I feel it's odd because I'm the one helping my friend, and my friend is the one who works with the patients, so the term "not to say" doesn't connect the two things well here.
What do you think? Is there a better way to express this?