when a girl says she loves you, how do you know she means it?
You don't know, you just hope it is true. Maybe it is, maybe it isn't. All about believing what they say.
sometimes they do but some like to say it as in a friendly way or if your dating her she will say just because she thinks she has to. it usually can depend on the length of yalls relationship and how things are between yall.
Depends if she looks at your eyes because when i show a boy i love him imdo my cutie pie eyes
By her behavior over time; you can't tell true love from false without time.