When C was a month or so old, my aunt said to me "little boys need to get outside every day." I've held those words to be true. She doesn't have daughters...though I am sure if she did she would say the same about little girls.
But there are days we just simply don't get outside and at times being outside has presented it's own challenges (ahem...insert memories of leaf eating and subsequent yacking here). As with everything, things change. Now, I find that we are all having more fun outside these days. I credit the sunshine, warmer weather and this book as inspiration.