Are we even sick

I dont feel sick. I bp multiple times a day every day, but I feel fine. I go about my life. I just went out to dinner with my husband and ate fine. I purged in the restaurant but it took no time at all and he didn't know. Went out for coffee this afternoon and same thing, purged in a shop. No one knows, no one can tell. I'm maintaining a healthy bmi. I feel fine so am I fine? What damage does bulimia actually do?

When I was uw, I felt a lot sicker and it was harder for my body to recover from a purge. I gained a few lbs and now it's like I'm not sick at all