Carelessly , have a great day
Explanation:
after those it will be AI AGE
1. Depression because they are more likely to do drugs in an attempt to escape from reality or make themselves feel better.
2. Peer Pressure because they may want to look cooler in front of their friends or family.
3.For fun or out of curiosity because maybe that person did not know the risks of it that they could possibly end up with lung cancer and die.