Simplicity.
This is what you need for complete happiness:
a thermos with something warm to drink, a bonfire and something edible to grill on it, good friends and warm clothes. Oh, and nature. Always nature.
Simple as that.
Ps. If you've read this blog for a good long while, you might recognize the setting of these pictures: Yes, we used to live here!
Here is a post from the early days of the blog.