Personal grooming and appearance matter. As much as I hate dress codes there is something about dressing professionally and looking nice that does give you a little boost in confidence.

The idea that two people can be compatible and never change for their entire lives is flawed in the first place.

Very good perspective and this is actually similar to some of the ideas of Buddhism. Everything in this life is temporary, enjoy it while it lasts.

You think he cares about oaths?

The last two aren’t really used here.