No humans = No plumbing, no electricity, no working refridgerators or stoves, no AC or heat. There's no one to prevent forest animals from entering the city & without hunters or farmers; animals willskyrocket in population & take over.
WOULD DO:
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I would actually go outside & forge in stores. Can't be concidered stealing if you're the only human left.
After everything rotted, I'd live primaritly off canned food, which is already precooked.
Since everything is rotting, I'd need a noseplug & a bat & gun to rend off starving dogs & wild animals attracted to the rotting food smells. Anything I kill defending myself will be cooked in a pot on a pile of coals & kindling over a bed of rocks surrounded by sand, lit with matches. (Don't want to risk starting any fires). The coals will then be smothered in either sand or rain.
Without internet or TV, I would be entertained by CDs (battery-powered radios) & books/magazines/comics.
Showers aren't a problem; it's always raining where I live.
I'd be thankfull that I'm already an experience house hermit who prefurs the company of animals over people, & that I don't live in an area that will flood when the pumps shut down (like NY).
Stock up on bottled water, bug repellant, blankets, battery-powered fans, flashlights, batteries, canned goods, other nonparishable foods, guns, a fly swatter, a tennis racket as a lightweight swinging weapon, milkbones or tennis balls to distract dogs, food for outdoor cats & whatever I decide to keep indoors, reading materials, & toilet paper.
I'd break into houses & petshops & free any caged animals I find. Dealing with tanked lobsters, fish, crabs, & hermit crabs ould be difficult, but a good way to pass the time every day.
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WOULD NOT DO:
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*Cry or panic. I've been on medications that have left me emotionally bankrupt as a side effect.
*Kill myself.
*Look for other survivors; hell, I'd probably get all teritorial & threaten to shoot them.
*Road trip. I like my house & I like my stuff. I also never bothered to learn how to drive.