You shouldn't message a friend of your boyfriend.
Francesca is worried that her boyfriend is starting to love her less than when they started dating.
Francesca wants her boyfriend to pay more attention to her.
Francesca decides to be more active and dynamic in her relationship with her boyfriend.
Francesca starts sending flirty texts to her boyfriend's best friend.
Francesca's boyfriend loves the way she changed and it gives a new boost to their relationship.
Francesca's boyfriend learns about the texts and feels like she will leave him, which makes him very sad.