lsemmens, my sympathies as well. Cannot imagine what it's like as I have yet to be in that situation. Honestly, kinda hope I go first. My wife is a tough cookie and will get over it better than me.
As for avoidance, we have surrounded our 10 acres with high powered (goat strength) electric fencing and make regular patrols. If anyone gets within 50 yards of the line we spray them with boiling hot bleach.
Seriously, we mostly stay at home, which is pretty isolated. My last 6 weeks have consisted of telework ( a lot of it busywork). I work in a government lab and we have been granted limited access in the last week. No more than 5 people in the building at a time, no more than one person in a single laboratory and each lab has its own HVAC. The facility normally houses about 60 workers but office workers will not be allowed in before at least July. The protocol is to mask and glove up before leaving your car, cannot remove mask until safely locked in your own lab so no one can enter unexpectedly. Most of us douse the room with isopropyl alcohol as soon as we enter and keep a spray bottle handy for doorknobs, etc. Using the bathroom is the scariest part of the day. Put on mask and gloves, spray the door handle before entering, bolt the door, spray the facilities you will be using, sanitize gloves, do the business, sanitize gloves again, re-enter lab, wash hands and put on fresh gloves. So I feel safe at work. We have refined paranoia to a high art, and so far there are no infections within our agency. The weak link is that outside janitorial staff are still coming in some evenings, hence our liberal use of disinfectant.
My wife's kennel is about 95% closed. She grooms a few dogs, out of sympathy for client's dogs more than for money. The client drives up, masks up, leaves the dog in a crate in the front office, and someone retrieves it a few minutes later after the client has left. Same protocol later in the day. The first thing that happens to the dog is a bath, so fairly safe with a little care.
I agree with Pjotr that grocery shopping is our most hazardous activity. Stores can be crowded. Our local market has one-way lanes but many ignore the arrows. At least everyone is masking up now. I do the shopping for 2 households about every 2.5 weeks. Mask and gloves, jacket, even in warm weather, do not wear watch or jewelry, bring only a credit card into the store. The store supplies disinfectant to spray down carts. Do the shopping, no bags at checkout, just put items back in the cart. Put items into crates in the car, sanitize hands and go home. Wipe each item with Clorox wipes and hand it off to someone in the house. Enter the house via the laundry room door, strip, throw clothes in the washer and head to the shower immediately. Any items I carried with me or mail gets thrown in a drawer in the laundry room, not to be opened until the next day. Then a tumbler of Scotch for internal sanitation
Most of our home protocol is the result of my wife's experience containing kennel cough in dogs (non-lethal but extraordinarily contagious). We have successfully managed several outbreaks via isolation and careful hygiene and have applied the same attitude to our daily lives in this time.