Other things that are also sins/abominations:

Eating lobster Wearing clothes made of more than one fabric Trimming your beard or sideburns Getting remarried Planting more than one crop in a field Getting raped (this only goes for the ladies, but you can smooth things over by marrying your rapist, so...) Having a wet dream Eating rare meat Touching a dead animal Menstruating (and/or earning your "red wings") Getting a tattoo