I cut myself with a small rusty scissor on Saturday. Small cut. I haven’t kept up with my tetanus boosters. Should I be worried? Is it too late to get a booster and would it work at this point?

Get a booster shot. It is not too late to get a booster dose of tetanus toxoid.
Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex.