She may visit a friend who lives nearby, she may be completing a routine circuit for her health, or she may like you. The third one is unlikely as walking by your house is the least effective way to get your attention. Or is it? Seems to have worked in your case.
7 days...
yes
it means that she wants to talk to you
they love you (unless your a girl they want to be your friend)
They're friends. That's it.
shes avoiding you sweetie
She likes you.
They probably like them!<3
She likes you
she hates you
that means that girl likes YOU and wants the girl your dating to get jelous and break up with you
that means she is a nice girl. or may be she is not interested in you.