Under Uranus' influence, holding on to this type of negativity will result in alienating your partner and may even cause your relationship to end abruptly.
I'm not religious but I do believe that positivity brings positivity and negativity brings negativity.
Children are also affected by negativity during the holiday season.
It's important to remember that some people associate negativity with the person being negative, not with what he or she is being negative about.
In this case, the best course of action is to simply ignore the negativity and focus on the personal satisfaction your frugality will eventually bring.