Is this haram and shirk?

Salam, so this is worrying me a lot and I would really like someone to help me please Is it shirk to say I won’t be rude about a certain person for another person’s sake to not offend them? As earlier I was in the shower and was going to perform wudu but before I did I was thinking about a grandmother I don’t really like much and I got the idea to make fun of her mother to her (who had died) I know this is haram and I’d never do it but then I said to myself that I wouldn’t do that as I really like her brother and for his sake as he’d probably get really offended, I then said something like and for Allah’s sake Can someone please reply to this as soon as possible as it’s worrying me a lot Thank you very much