The quote "One day she'll get tired. You'll know when that day comes; it'll be the day you feel as ignored as she did" conveys the idea that there's a breaking point in relationships where one person's feelings of neglect may eventually lead to the other person experiencing the same emotions.
The quote suggests that when someone feels consistently overlooked or ignored, they may eventually reach a point of exhaustion and withdraw their emotional investment.
In essence, the quote speaks to the consequences of not valuing and acknowledging someone's presence and efforts in a relationship. It implies that the dynamics can shift when the person who once felt ignored decides to prioritize their own well-being and disengage. The quote serves as a reminder to be attentive to the feelings and needs of those around us to prevent reaching a point of mutual disconnect. It underscores the importance of open communication, empathy, and maintaining a balanced and healthy relationship.