This isn't a cry for help. But I can't help but notice, my wife is asked all the time about 'work-life' balance, but nobody ever asks me. The way you feel, act and certainly look (sleepness nights) is changed forever.
Taking a year off work to look after my two-year-old daughter was the best decision I have ever made. There is no way I can quantify how brilliant it is to spend all this time with a toddler who glows with joy all day. But six months in, we need to spend some time apart. Happily, the feeling is mutual.