Who on earth, would argue for a weekend about an unanswered call from someone you normally speak to up to 15 times a day?
That's preposterous and just plain silly and unbelievable.
First of all. February 10, 2010 was a Thursday.
So they argued Thursday, Friday, Saturday and Sunday over Chase not answering a call from Joey?
Don't think so. Did they argue? Probably. But about much much more then any missed call from Joey.
I'd say that they argued about Chase having his phone turned off.
Because he was quite busy, murdering, covering up and then burying the entire family in the dessert.