Addiction
by Brian etcetera
1. cigarettes
1.1. +
1.1.1. with friends
1.2. -
1.2.1. 2nd hand smoke
1.2.2. smell down
1.2.3. cough
1.3. try to quit
2. alcohol
2.1. kinds
2.1.1. Beer
2.1.2. soju
2.1.3. etc
2.2. too much
2.2.1. hangover
2.3. all life's problems
2.3.1. cause of
2.3.2. solution to