I grew up in a household with both parents smoking 2 packs a day of Lucky Strike unfiltered. I started smoking by the time I was 13.
My mother died at age 39 of cancer of both the lung and brain. This didn’t stop either my father or myself from smoking.
My father had his first heart attack and triple bypass at age 50 it stopped his smoking for a couple of years before he started again.
I still smoked until I started to notice the affect it was having on my health at age 38. At this time I started dating my wife who had never smoked and I took the opportunity to quit it’s been 8 years since and I no longer miss it at all.
My father continued to smoke with the same statement about quality vs quantity. He passed on 2.5 years ago at the age of 68 he had another heart attack in my driveway.
His father lived happily to the age of 84 and I met my great grandmother when she was 102.
All of my fathers non smoking relative were health deep into their 80s some into their 90s
If cigarettes are boosting your quality of life enough not to give them up on the chance that the quality of your life may improve in the future then may I suggest that your life may be so bad that maybe you should consider other options.