@Lynne54 I'm sorry,, the post op blues can be tough. I've got to tell you though, I love your idea of installing a key press outside your entrance. I assume it's so you don't need to go to the door to let someone in, like your visiting nurses? For whatever reason, you seem to have a good head on your shoulders!
I found that even sitting by a window, where I could see people passing by, see the sun shining, or even clouds helped to lift my spirits.
If your swelling is still bothering you, I can give you a few things extra to do to help relieve some of it.
As Layla mentioned earlier, you have a large amount of lymph nodes located in your abdominal area.
The other important location is the groin area, which as you can imagine, gets overwhelmed immediately after a THR.
Here is something I put together for other members with swelling, I hope it helps you too. It's also very relaxing to do.. I'll leave it below:
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If you want to do something extra to help move the swelling, try some deep, diaphragmatic breathing while laying on your back with your legs elevated. All of the edema and lymph fluid needs to go back to the trunk of your body to get processed and eventually pass (urine). Deep breaths early on can make a big difference.
This helped me a lot with both hips I tried to do it 2-3 times a day, especially at bedtime.
Remember that phrase " go with the flow"? Well that's what you want

I still had swelling- my hip this time was apparently producing quite a bit- but after a few days of doing this it started responding well to the breathing exercises. I remember one day in particular, I propped up my legs with extra pillows, got nice and comfy in bed and did the breathing with hand compressions, drifted off to sleep and awakened to a much better looking leg, what a relief.
The hand compressions are easy too. Just place one of your hands flat on top of your naval area and press firmly down and upwards towards your diaphragm as you completely breath out.
Then for extra measure, take your hands and place them on each side where your groin is located and lightly brush your fingers upwards towards your navel... at least ten times- maybe even fifteen. This helps awaken the overwhelmed lymph nodes and hopefully gets things moving for you.
If nothing else, it will help pass the time a bit, plus you maybe will get some good sleep like I did!