Good water bottles help me stay hydrated.
I have two glass bottles, which are much more durable than plastic. I suppose it's the tempered glass. I invested in ones with nice lids. They don't spill, but they're easy to open.
If I fill both, then I have water without convincing myself that I can get up.
Yes, "people of color" is considered respectful.
And you're right, language can change pretty fast. I've seen plenty of respectful words become slurs. I've even seen slurs be reclaimed by communities. Don't even get me started on person-first vs identity-first language.