@TeachMeSomething Wow, your post describes me to a T also. I very contentedly (and with some relief) retired a little early with a decent package to get me out the door!
I think "contentment" is something that depends on our personality type. Some people NEED to be out and about every day, volunteering, joining clubs, and so on. They need people and need to be doing something to fill their time every day. That's great for them.
Others are different, and don't need constant activity and time filling and making new friends and so on. To me, retirement was the means to a peaceful life, NOT having to do things all the time, NOT having to juggle my time and so on. Some might call it lazy but to me it's an introvert's dream.
A simple life is very rewarding. Of course money is needed for living, for repairs, for emergencies, but most things that people spend frivolously on is filling a void of some sort. I was like that once in a tragic period of my life, but I'm sane again now and appreciate the simple things again.
Sorry for going on, but although I have a very healthy pension and substantial savings, I find now that I don't need that much anymore. If only I had that disposable income when younger, but hey, that's life!
And health folks. Take care of it. Enjoy it while you have it good. Good health is worth millions more than a good pension. I know this, and am happy to have come out the other side. It changes you in a good way sometimes - to appreciate that life is not all about possessions, things, travel, the latest gadget, kitchen and so on. I'm happy now.