Happiness can seem like an abstract, transcendent notion, but in fact, I found that getting enough sleep (very important!!), getting exercise, not letting myself get too hungry, not letting myself get too cold (I'm a person who is always cold), made a big difference. Partly because I felt happier, partly because feeling physically comfortable makes it easier to keep other difficult happiness-boosting resolutions like biting my tongue.

It's so easy to wish that we'd made an effort in the past, so that we'd happily be enjoying the benefit now, but when now is the time when that effort must be made, as it always is, that prospect is much less inviting.

One of my Secrets of Adulthood is: Most decisions don't require extensive research.

Time waits for no ovary.

Feelings follow actions. If I'm feeling low, I deliberately act cheery, and I find myself actually feeling happier. If I'm feeling angry at someone, I do something thoughtful for her and my feelings toward her soften. This strategy is uncannily effective.

I have a lucky perfume. I love beautiful smells, but I save one of my favorite perfumes to wear only when I feel like I need some extra luck.

Get enough exercise and sleep: Sounds trivial, but it's not. You may have the urge to work 24/7, to skip the gym and to stay up late to get a few more things done. That's short-sighted. Exercise and sleep are critical to having the physical and mental energy necessary to meet a challenge.