"In a relationship, you cannot just focus only on yourself" underscores that self-centeredness or neglecting the needs and feelings of one's partner can be detrimental to the relationship. You need to understand each other" highlights the significance of empathy, communication, and emotional connection between partners. It implies that a successful relationship requires effort from both sides to understand each other's perspectives.
"And prove that you value the relationship and want to be together" emphasizes the need for actions that demonstrate commitment and appreciation for the relationship. It suggests that words alone are not enough; actions that affirm the value of the partnership are crucial.
In essence, this quote encourages individuals in a relationship to prioritize mutual understanding, empathy, and a genuine desire to nurture and sustain the relationship. It reminds us that successful relationships require effort and investment from both partners.