In North Korea they do (no joke).
There maybe repercussions if you parents are found to have neglected their duty of care. Sounds like they love you, and are just trying to convince you not to do it.
Many parts of Asia have a social stigma surrounding suicide, where the family is often blamed. It's important not to hurt those around you.
My sister told me suicide was selfish years ago, and I can appreciate why she did.
Stay safe.