Since the economy's so bad, and fares are up, you might just want to express how you feel about that special someone by sending them Metro gift certificates. Yes, they really do have them. Tell her you care; send her Metro.
Or...
Yes, you are, and chances are you'll be on the Red Line for a long time, so you might as well be comfortable in this nifty Tee. Get one for all your favorite lines!
Still not sure? Why not try the WMATA online store, where you can find such treasures as DC Transit cuff links ($125), a framed 2005 inauguration memorial farecard for $24 (no fare included) or, for the kids, a Metro Squeeze train toy ($7) so they can see that to which Metro apparently aspires.