So how was I supposed to know? A co-worker of mine, who took a leave for about a year to travel with her husband, recently joined again. She has what looks like a pot-belly. She was skinny (or reasonably fit) when she left in early 2008.
Anyways, a bunch of us were having a conversation when she came by. Myself being the enthusiastic guy that I am asked with a smile: "So, how far along are you?" A hush fell over. Everyone stopped talking. I immediately thought that I must've asked a very common/stupid question - that everyone knew how far along the pregnancy she was in except for myself.
She simply said "I'm not pregnant", looked disgusted and left. I couldn't even get the words "I'm sorry" out and I was stunned when it finally hit me.
How the hell was I supposed to know?