The main reason is because newer cigar smokers, or people who only smoke on occasion, arent used to the sensations produced in the mouth while smoking, so saliva is produced in excess when the cigar sits in your mouth
This clot acts as a temporary matrix that protects the wound and serves as the foundation for healing
In addition, smoking was very inconvenient before a safe and portable source of fire was readily available, which didnt happen until the widespread use of safety matches in the late 1800s
However, there may be indirect costs, such as transportation and lodging, if the donation requires travel
It is believed that heat can disrupt the clotting process, increasing blood flow to the area and potentially leading to clot removal