Do not resuscitate dilemma

So my dad is 63 yrs old has a lung disease and is on oxygen 24/7. He never smoked a day in his life so it’s believed to be from fumes at his work.

He was in the hospital for pneumonia and Covid for the last week until today. He went on hospice today at home for better care. Back in February the dr told my mom he has less than a year to live. He has been on a feeding tube in his stomach since March and weighs 100 lbs.

The dr this week said he advises him to be a DNR. He said that his chest would be crushed during cpr because he is so frail and there’s a chance he could end up on a ventilator in a vegetative state. At the time he agreed with the dr (my dad doesn’t like conflict). I asked my mom when she told me, and she said yeah he agreed. So my mom signed all the paperwork.

Well flash forward tonight. My mom went in the other room, and my dad says to me, “ the nurse wanted to know if I want to be resuscitated and yes I do! I don’t care if they crush my ribs I want to live! Even if I’m on a vent people can come around. I have before! I’m telling you so YOU know what I want! I want to do whatever it takes to live!”

I told my mom and she says “your dad’s lungs aren’t going to make it. They’re only going to get worse and his body is going to start failing” meaning she thinks we should let him go. A nurse told her he might/might not be here around Christmas.

Now I’m mixed up because I know she’s right because his body is failing. But at the same time now that I know what my dad wants I feel like I’m in limbo.

Any thoughts?