Borderline flare

I have had UC for 41 years. I have had many flare ups and I have been in remission a lot. I had to change doctors a few years ago because the one I had for years moved. I saw him last April. I told him I felt like I was on the verge of a flare, he took blood tests, and a stool culture. He told me I am fine, the blood test showed no inflammation. I started having flare up symptoms, mostly being gut pain and fatigue and abnormal stools. I saw him again in October, same tests. He said I am borderline for a flare. He kept my meds the same. If I’m borderline for a flare, wouldn’t he change my meds or add something? Has anyone else had this experience?