The phrase "We are too grown" emphasizes the idea that as adults, we have accumulated life experiences and wisdom that should enable us to handle relationship challenges more effectively. It implies that we should have outgrown certain patterns of behavior.
The quote mentions "experiencing the same relationship problems we had as teenagers," pointing out that it's counterproductive to repeatedly encounter the same issues that plagued us in our youth. It encourages self-awareness and personal development to break free from these recurring problems.
In essence, this quote serves as a reminder that as adults, we have the opportunity and responsibility to learn from our past mistakes, evolve in our relationships, and address challenges with greater maturity and understanding. It underscores the importance of personal growth in achieving healthier and more fulfilling relationships.