Before sunrise, I snuck out of the house without anyone knowing \u2014 not even the dog. I started the car and drove down the street with the lights off, wearing a hoodie and a black mask so the neighbors wouldn\u2019t recognize me. As I approached my destination, I looked in the rear-view mirror to make sure no one was behind me. Then, I performed the dastardly deed and pulled into Dunkin\u2019 Donuts. You never know when your primary-care physician might be tailing you, not to mention a posse in hot pursuit, led by your spouse, along with your offspring, your pastor or rabbi, your dental hygienist and possibly an undercover cardiologist. But everyone has to indulge himself or herself once in a while. As they say, \u2019tis the season to be indulgent \u2014 or more appropriately, overindulgent. I don\u2019t have to tell you there\u2019s no nutritional value in a doughnut. I\u2019m a science-minded, fact-based guy, which means to say I\u2019ve studied the latest doughnut research conducted by the NIH, the CDC, the FCC, the FDA and the FBI, and the findings aren\u2019t good. I suspect as his first executive order, Joe Biden will try to regulate doughnut consumption to combat America\u2019s obesity epidemic, in honor of Mike Bloomberg, the Big Gulp terminator. It\u2019s our patriotic duty to exercise self-control, so instead of chocolate creme donuts, I ordered a poppy seed bagel with cream cheese. In my defense, I asked for low-fat cream cheese, but they didn\u2019t have any. \u201cThat\u2019ll be $4.29,\u201d the young woman said. \u201cPlease drive up.\u201d I reached into my change tray as I pulled up to the drive-thru window. \u201cThat\u2019s $4.08.\u201d My first thought was \u201cI know I have tinnitus from too much rock \u2019n\u2019 roll, especially that Jimi Hendrix concert back in the Neolithic period, so my hearing is a little challenged. But I could have sworn she said $4.29.\u201d She detected the puzzled look on my face as I stared at the change in my hand. \u201cI gave you the senior discount,\u201d she explained. The \u201csenior discount.\u201d The words stung my senior ears, or what\u2019s left of them. I certainly was grateful for her kindness, but I thought, \u201cHow the heck did she know I was senior caliber? Was there a camera at the speaker? Even so, I was wearing a hat and sunglasses. Young people, I\u2019m convinced, have the ability to sniff out seniors with the determination of cocaine-sniffing German shepherds. To teenagers, anyone over 30 is \u201ca senior.\u201d And to seniors anyone under Medicare age is a suspicious character. I don\u2019t want to be classified as a \u201csenior.\u201d It sounds too respectable, too AARPish, like I\u2019m a member of a protected species. I prefer to be called \u201cold man\u201d or \u201cgeezer.\u201d I wanted to tell the young woman that according to a recent poll \u2014 and you know how reliable they are \u2014 Baby Boomers say \u201cseniorhood\u201d doesn\u2019t start until 85, or maybe it\u2019s 90, and I\u2019m nowhere near that age. Of course, every time they conduct the poll, the threshold keeps getting pushed back. Pretty soon, only centenarians will qualify as seniors. Nevertheless, my better nature prevailed, and I kept my mouth shut. I\u2019m not a person to spurn an act of kindness because they\u2019re rare. Even though my senior discount only saved me 21 cents, I gave her a $2 tip for her gracious gesture. Which leads me to my next point. Never forget when someone shows you an act of kindness. From the inconsequential to the monumental, every act of kindness makes the world a better place, and every act of kindness is eternal. The Jewish theologian Abraham Joshua Heschel once said: \u201cWhen I was young, I admired clever people. Now that I am old, I admire kind people\u201d That\u2019s a lesson for us all. Look for any opportunity to do an act of kindness every day. You won\u2019t regret it, and the ripple effects will go on forever, or at least until you become a senior, and you\u2019ll get there if you don\u2019t eat doughnuts. Joe Pisani can be reached at email@example.com.