It is bad to put others' lives at risk
Jim loves taking illicit drugs and his dealer just sold him a new, experimental drug.
Jim wants to have a thrilling experience.
Jim has friends over but decides to try the drug first before offering it to them.
Jim invites a few friends over and convinces them to try the new drug with him.
Jim's friends have a pleasant and safe evening.
One of Jim's friends is seriously ill from the drug.