They give you security in your case
Makena P, Liu G, Chen P, et al
This is especially great to do whilst youre craving a cigarette, as you can pull focus away from that and focus on simple things like the sounds around you, or the smells, or the feeling of your lungs inflating and deflating breathing that nice clean air

Since 2012, the MFT program has partnered with many national health care organizations, including: American Academy of Addiction Psychiatry (AAAP) American Academy of Child and Adolescent Psychiatry (AACAP) American Academy of Physician Assistants (AAPA) American Association of Colleges of Nursing (AACN) American Association of Nurse Practitioners (AANP) American College of Emergency Physicians/Emergency Medicine Foundation (ACEP/EMF) American College of Medical Toxicology National Medical Association Society for Academy Emergency Medicine Foundation (SAEMF) Society of General Internal Medicine (SGIM) Society of Teachers of Family Medicine (STFM) Awardee Activities: MFT awardees may pursue projects that focus on the screening, prevention, and the management of substance use disorders for opioids, marijuana, alcohol, tobacco, stimulants, and other substances
By flushing cigarettes down the toilet, you are quite literally poisoning and killing the world around you