non exclusive relationship. we start doing shit and before it goes too far. she asks for exclusivity and so i tell her yeah ill stick around. after this conversation she tries to give me head like she was about to before the conversation but cannot stop laughing out of shyness/nervousness. this goes on for a really long time until we decide that its time to drop her home. she turned into a child and killed the whole vibe. just jerked me around and left me with blue balls. any suggestions on how to react, what to do next? ... Also I want to play hard to get with her .. I need tips cause thats what shes in to.