In my opinion, There is no single answer to this question as there are many different factors that can contribute to a couple's ability to maintain their love throughout their courtship and marriage. However, here are some common factors that may play a role:
Communication: Couples who are able to communicate openly and honestly with each other tend to have stronger relationships. This means being able to share their thoughts and feelings with each other, as well as listen to each other's concerns and needs.
Trust: Trust is essential in any relationship, and couples who are able to trust each other tend to have stronger bonds. This means being reliable, keeping promises, and being honest with each other.
Shared values and goals: Couples who share similar values and goals tend to be more compatible with each other. This means having similar priorities in life and a shared vision for the future.
Mutual respect: Couples who respect each other tend to have healthier relationships. This means treating each other with kindness and consideration, and valuing each other's opinions and feelings.
Intimacy: Intimacy is an important aspect of any romantic relationship, and couples who are able to maintain a strong physical and emotional connection tend to have stronger bonds.
Ultimately, every couple is unique, and what works for one may not work for another. It's important for couples to communicate with each other and work together to build a strong and lasting relationship