Anyone ever implied they finished college degree?

So I just started at this great, pretty large company 6 months ago. I had put the dates on my resume and area of study initially. No one ever questioned me about it or really point blank asked me if I graduated. I'm only 6 hours from finishing, but this was about 7-8 years ago. Im still thinking about going back to finish. Anyhow, I got through the initial part of this whole thing 6 months ago, no one batted an eye during the hiring process, passed background check etc.. I'm worried now as I just got promoted and during my promotion convo the big boss was making conversation about my degree. It turns out he has did the same area of study (psychology) I didn't have the guts to tell them I didn't finish by a small margin and now I really worried. Do they have to ask me before checking? Should I just pray and hope no one does another background check? Has this happened to anyone else and it worked out? For the record I was in school 5 and have more than enough credits for a degree. They just didn't line up and I am 6 shy of the psychology degree. Any advice would be appreciated.