https://www.gotquestions.org/cussing-swearing.html
Short answer no. I do occasionally and I really need to work on that.

I find myself swearing a lot and I am trying not to

Same

Yeah same

as long as it's not mean, I don't see why not.

In your mind, don't cuss. whatever you think in ur mind will be what you'll do

Proverbs 23:7

“Let no corrupt speech proceed out of your mouth, but only what is good for building others up as the need may be, that it may give grace to those who hear.”
‭‭Ephesians‬ ‭4‬:‭29‬ ‭WEBUS‬‬

to be fair that doesn't mean you can't say you look hot as f__ to your wife.