My ablation was 12 years ago. I too was told I may need another. I had one breakthrough two summers ago when I had to walk 3/4ths of a mile in 101 degree weather. At age 78, it nearly killed me. My car battery had given out and I was close to my doctor's office which is where I was headed anyway, so I just left the car and walked. My blood pressure was up at 145/88 and my heart rate was 101 after sitting for about 15 minutes. They wanted to send me to the hospital but I would not go. I had a feeling it would not last long and it didn't. In less than an hour I was back to normal. I take a full strength aspirin every day with food. Sometimes I take two. One at breakfast and another at dinner. I have a friend who has been having intermittent A/fib for about ten years now. She too takes only aspirin. It's true that heart failure, stroke and dementia are possibilities but I don't worry about any of them even though they may happen. My friend says she sits down (remaining in an upright position) and takes deep breaths and her A/fib goes away fairly quickly every time. She says that if it becomes prolonged, she will seek treatment. Almost every one of my gal pals has permanent A/fib and they all take medication. They're all older than I and so far none of them has had a stroke. Hopefully I won't have another episode nor will you.