It's official. I will have to put myself in the swigging/guzzling camp. (are you with me Niff and Squid??)
I don't see anything unusual in Jo's behaviour. I would pick up a couple of drinks on a Friday night, after working all week (let alone during holiday season) if my spouse was going to be away and I was going to hang around at home. I might leave one until then next night (or I might not). Same thing with the pizza. While I couldn't plow through a thick crust pizza, if I was really hungry, I could eat a good portion of a thin crust pizza. (I'm about Jo's size. ....well, I might have put on 5- 10 pounds in the last 10 years but I'm much older than her!)
Having said that, during the presser today LE said that the cider and pizza "was relevant" to the investigation. So, even though I don't think it strange to buy what she did, I think they are looking at info that we aren't privy to, and perhaps it is informative!