Hiccups are caused by not having enough air. Scaring some one causes them to take a deep breath getting more air and stopping the hiccups. Not 100% sure that's right though.
Understanding is the right answer
Answer: people make decisions to please themselves without realizing the responsibilities or consequences of their decisions.
Explanation: If there not smart enough to practice safe sex then That's there own fault. If you want to lose weight then efficiently then you have to take certain steps follow a program exercise eat healthy e.tc. quiting smoking is a conscious decisions as well as physical battle emotional physiological psychological.