I like this rule of thumb and it goes nicely with the “if you have more than 3 arguments to a function, consider making a struct to pass the arguments in” rule of thumb because
You can have the struct use a named lifetime (or several) for the different parameters so it doesn’t own them!
When I tried playing 2077, BG, or Elden Ring they basically ran like they were on a Potato. I’m surprised anyone could do anything playable on those games.
I don’t have a satisfying answer to you. I think once a week wash is perfectly fine and it is roughly what I do.
It depends on how much you’re using them.
If you shower once a day 6 days a week (just as an example), a wash once a week is good. If you’re showering and using the towel multiple times a day it’s getting a lot more use and likely never totally drying out between washes. I’d recommend a second towel and/or more frequent washes of the towels.
If you use the towel for showering at home only 3 times a week (for example you shower at the gym and they provide towels there) then you could radially go multiple weeks without washing your towels just because they aren’t being used.
Finally replacing. I also don’t have a strong answer for that but I replace them when I notice they either stop absorbing water as well or when the threads are getting much thinner. Current set of towels is 3 years old and replaced a set of towels that were 8 years old. Also if the towels get significantly dirty or stained (blood usually in my case) I’ll replace them.
I like this rule of thumb and it goes nicely with the “if you have more than 3 arguments to a function, consider making a struct to pass the arguments in” rule of thumb because
You can have the struct use a named lifetime (or several) for the different parameters so it doesn’t own them!
Best of both worlds.