Mixed feelings

I got the results of my latest A1c and while 5.2 would make most diabetics super happy, I have mixed feelings. Seeing as how I started my new journey as a T2 just over 6 mos. ago at 15.7, I have obviously come a long way in a fairly short period of time. My worries however are two fold. For starters I feel that I have set the bar very high for myself and have doubts about my ability to maintain tight control long term. Second is the fact that this average was reached partly due to alot of lows which I’m trying to avoid. Can anyone relate and if so, what things did you do and/or tell yourself to reinforce your confidence, determination and will power?