Little things
Today is the first day, in about six month, I am sleeping on an actual bed (there were mattresses and couches up to now). Realizing it — makes me happy =]
All the happiness gurus tell us to value "little things".
Tricky part is — you do not value (and more often, even do not, fully, realize you have), what you take for granted. I, for sure, would not be able to appreciate sleeping on a bed, without this bed-less period.