Hold on. First, you don't love her. You have an attraction to her. Telling her you love her is going to freak her out. You don't really know her! Second, friend requesting her mother in order to get to her is a little intense. Who does that? If you have some kind of connection with her in real life, like you go to school together or work together, then try to start up a conversation that way instead. Or, if you have mutual friends or acquaintances, try to get them to introduce the two of you so you don't come off as so over the top. You don't want to give off stalker vibes when all you're trying to do is express admiration, right?