After two days of unbearable heat and humidity, two days of lying on the floor, two days of drinking juice and eating nothing, two days of going nowhere because I couldn't bear to get into a car that was so hot it hurt to touch the metal handles, I could feel the headache beginning: my vision getting blurry and throbbing inside my skull and my eyes unable to handle even the gentlest light. But when the air is so thick that walking feels like swimming and the heat so intense that it's hard to breathe, I almost welcome a migraine because I know what it means. A low pressure system moving towards us. A thunderstorm.
A change in weather.
This morning, the wind is blowing through the branches of the trees outside my window, sending a flurry of raindrops to the ground, and cool air is moving through the house. The pressure in my head has subsided. The windowsills are wet, and mosquitoes have wiggled their way through the many holes in our battered screens, and the air in the house tastes sweet again.