This is one of those amusements that shows you who is doing what (or wants to) with who. Except it doesn't as the lovemap is complete devoid of names. More details about why this is can be found in the documentation
Note: People have tended to use LJ usernames on here because, well, I guess they're recognisable. You don't have to as long as you pick something people will recognise. Oddly enough there is more than one Bob in the world.
There is now some half arsed, badly written documentation
If you have any questions or want to discuss this, then you can discuss it here