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Wrong. I breathed in some helium once and it made my voice all high pitched which threatened my fragile masculinity. Very toxic.
(/s…)
Never worked much with cryogenics, but the one thing I learned was to never get in an elevator with (large quantities of) liquid nitrogen — if the elevator stops it can displace the oxygen and that’s…kinda bad.
Easy if you have money. If a new phone is a financial stretch, then in the short term it can be cheaper to get a nice phone for “free” with carrier lock in (which of course means it wasn’t free at all). It probably ends up being more expensive in the long term, but your paycheck can cover it.