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.
Answer:
You can communicate with your parents in multiple ways, but some are better than others.
1 - Don't lie, be completely honest!
2 - Don't argue with them, if they disagree they're entitled to that opinion but also remind them you're entitled to your opinion.
3- Listen to them - If they have something to say, listen to their opinion. Chances are, they have done what you're doing as a teenager and that's what parents are here for is to keep you from doing the mistakes they did when they was younger.
Explanation:
I think lifting weights depending on what kind of weights you use or swimming
