Under California law, the if the parents are married or in a registered domestic partnership at the time the child is born, the husband of the mother is assumed to be the father, and paternity can be automatically established.
Drunk Sherlock almost cried over Tessa's date not calling. And then I loved that look where he's all of a sudden like "Oh my god, am I crying! Why am I crying?"<< can we all agree Sherlock turns into a teenage girl when he's drunk xD