Everybody on this show has a medical degree and are leaders in their surgical fields. None of them apparently know crap about safe sex. Callie and Arizona are going to be the first planned pregnancy in 10 years.
He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart. You owe it to him to be worthy of such devotion.
The only creatures that are evolved enough to convey pure love are dogs and infants.