TV is being delivered and set up today for my disabled father

I went halves with my dad on a Samsung tv for him. It's a good one. I'm getting it delivered and set up on the tv stand. This morning has been a lot. My mom and my sister are convinced that this is my idea to get my dad a good TV so I can come watch movies on it myself. No. The family room TV was manufactured during COVID and those TVs have a lot of defects and this one did too.

The delivery guys aren't here yet, they're coming in about an hour. I had anxiety about this because 1) I knew my sister and mother would have something to say and 2) I'm concerned that this TV won't be to my dad's liking. He has OCD and that turned into him wanting the perfect tv apparently.

So now I have no mental resources left. He has abandoned the front room while he goes to make his daily phone calls to the banks and such to check their balances with his because he thinks that's what you have to do every morning.