You not calling, as a friend, can actually compound the grief and loss they are feeling. Just pick up the phone, even if you get it wrong, just have a conversation and do your best. Your friend with cancer is still the same person they were before.
What Is Gaslighting? How to Avoid Mental Manipulation and Emotional Abuse - Terri Cole If this video describes your situation, please don’t give up. The first step is to understand that it’s happening.