Not mine! The first years we only asked our neighbors to feed the cats twice a day and, especially my tom, was so excited when we got back that I feared him to get a heart attack. He kept running around for hours.
Since we have sitters staying at the house and them keeping a schedule, he goes like: “oh, you’re back? Nice, but I haven’t missed you.” 
and then he walks out the door to come back some time later. But he is never pissed and punishes us for going away.
With all the sits I have done and my girl friends, we don’t know what goes in the house and H O never always disclose everything. You find out when you are with the 4 legs. At this moment, the one I am sitting has never been for a walk. The HO told me, they hike, they swim and etc. When we went out for first time to the beach, she did I all the symptoms not being in the street. Sat and smell for hours each part of the side walk. When crossing , was so scared from cars. The 1 mile beach road was not done in more than an hour. Was looking at me like what are you doing to me.
As many questions as you ask , be prepared for everything.
Hi. I’m Canadian. Our border is open to international travellers who are vaccinated, without requiring quarantine, as of yesterday. Refer to the article in this post: Canada Re-Opening in mid August - September
Thankfully you’ve had an excellent sitter already, so repeat your radar for red flags and all should go well. Be clear with the sitter as to your expectations, especially with how often they connect with you. I’ve done a sit where the owner said the pet had anxiety issues. When they came home, and I had to stay overnight, the dog left their room and settled on a spot half way between the two bedrooms (and they were far apart). The next day the owner said she realized she was the one with anxiety issues, not the dog. 
Woohoo! That’s wonderful! I wish I had the time to travel 
but it will have to wait for some time.
I like to witness the happy reunion of the Home Owners with their pets, especially the dogs. Some really show how ecstatic they are feeling.
I did one sit and while the Homeowners were having a meal in the kitchen on their return, the LABRADOR chose to stay with me on the sofa ! That was the best compliment!
It amazed the Home Owners too!
My dog misses me when I go to the mailbox. 
When I leave for a trip, he tends to be a bit mopey and sit by the door, waiting for my return. But my husband says he improves after a day or so. Similarly, when we both travel, he might not eat and might be a but mopey at first. But that’s why we use the same professional sitters repeatedly, because they know him and vice versa. He adapts quickly.
He goes nuts when we return. And he tends to be clingier for maybe a week after I’ve returned.
— pets are masters of emotional maths. “Owner gone = new human here = must be fed, petted, and entertained endlessly 
.” Honestly, most of them just see us as stand-in servants with snack privileges 
.
Cats who ignored me all day suddenly treat me like royalty the second a tuna can opens 
. Dogs? They might glance at the door like it’s the end of the world 
… then spend the next ten minutes demanding cuddles, treats, and walks like nothing ever happened 
.
I’m convinced pets miss their owners… but only long enough to judge whether their substitute is worthy of continued service 
.
Probably depends on the pet, especially with dogs. I say that, because my husband does the vast majority of labor with our dog, including feeding and walking him whether I’m at home or away. Yet our dog is much more attached to me in ways, like constantly checking whether I’ll go out with them together. If or when I do, our dog gets super excited, jumping up and down and wagging his tail wildly. My husband jokingly complains that our dog never gets that excited about him taking him out.
I think maybe it’s simply because I’m home much less, since I’ve traveled for work, sits and otherwise, while my husband is a homebody and used to telecommute, before retiring early. He loves routines, while our dog likes novelty.