I don't want to go home for my grandpa's burial because of work
I am trying to understand why. Are you sure your attendance is not important?
On an occasion like this I'd rather be at work than to attend it. My boss is quite understanding
It is good to make work a high priority in most cases. It is wrong to put it over your family. Skipping out others might think you are uncaring.
I'm quite upset since you are telling me how to spend my time with the family.
Please don't be. It was not my intention to make you upset. From my perspective, I am just saying it might be better to skip work even for a few hours and attend to support other family members. People probably expect you to be there and are also hoping to see you in attendance.