Ever try to give your girlfriend a romantic surprise, only to find out you messed up? Like, say, I don't know... finding out your girlfriend is afraid of heights by surprising her with a trip on a Ferris Wheel?
No wonder they get mad at us. They can check Facebook, do research, find pictures of cute, teeny tiny animals and enjoy a nice glass of wine all at the same time, and we can't even single-task by focusing on the story they try to tell us about their day at work.
Hey, at least he only made a grammar mistake in a text message instead of in a tattoo. Then again, that would show he knows how to commit, so maybe that's not the worst thing in you're relationship after all.