false

Sometimes, saying "No" is good.
And sometimes also, saying "no" is not so good.

Example A:
When saying "NO" is good.

Hey dude, lets go out for a drink!
No-lah, I'm not feeling too well. Need to stay home and rest. Solly.

Example B:
When saying "NO" is not so good.

Hey Daniel, are you ready to go for cousin's wedding dinner tonight?
No-lah, I'm not feeling too well. Need to stay home and rest. Solly.

I think I've got myself into some potentially difficult conversations at the next family reunion. Gulp.