Can I sever Ties With My Selfish Sister?

People who have had Covid will generally gain some measure of immunity as a result. But they’re even better protected — and less likely to transmit the virus — when they’re vaccinated and boosted as well. You were dining in January, a month when Covid killed some 60,000 Americans. Here we’ve got a woman who, in ways I’ve just touched on, was shirking a system created for the general welfare, and elevating the odds of exposure for an immune-compromised friend; and a husband who was lying to you.
You should have told them what you thought and felt free to share your concerns with other acquaintances. This couple abused your friendship and forfeited whatever consideration this relationship might otherwise have conferred. Your attitude to them can be appropriately reactive.