But if she says "thanks A LOT" then that's meant as sarcasm and you should definitely not say "you're welcome" then she will reply with "whatever. " Refer to #8.

但是如果她说“真是太谢谢你了”，这就是一种讽刺的用法，你可千万别说“不用谢”，要是你真的说了，她就会回答“随便你。”