My husband says I would know if I swallowed an ant. I'm not so sure. Right up until the ant, it had been a perfect day. Sunshine. Warmth. I got to play in my garden for the first time in so long that I had forgotten how the earth smells in spring: new like the top of an infant's head; fresh, like my dog Molly's breath when we first met her, when she was just 6 weeks old…