Writers 
There is a suggestion that Christians who refrain from sexual activity before marriage may face more sexual difficulties in their marital relationships and have a greater risk of divorce due to sexual mismatches.
I believe this assertion is frequently overstated and can serve to undermine the value of sexual purity while encouraging fornication, which contradicts Christian teachings.
In many instances, choosing to remain abstinent prior to marriage can actually reinforce a couple's relationship, particularly when both partners share this commitment. When neither individual has previous sexual experience, they are less inclined to compare their spouse to ex-partners. They can instead focus on learning, growing, and building intimacy together. If difficulties occur, they can engage in open communication and tackle issues collaboratively.
On the other hand, if one partner has sexual experience while the other does not, an imbalance may arise. The more experienced partner might have certain expectations shaped by previous relationships, leading them to compare their current spouse to those past experiences, consciously or unconsciously. This can result in tension, disappointment, or resentment if those expectations are not fulfilled.
Similarly, when both partners come into marriage with prior sexual experiences, they might have preconceived expectations and memories from their past encounters. If their current relationship fails to meet those expectations, comparisons could stem, causing frustration or dissatisfaction. In some cases, both may become fixated on replicating past experiences instead of learning how to love, understand, and fulfill each other’s needs within the unique dynamic of their marriage. The greatest risk here is that they start blaming each other and prioritize their own needs over the other's.
While I recognize that marital success isn't solely determined by sexual history, I also acknowledge that it can influence how sexual issues are dealt with. However, core elements such as commitment, effective communication, mutual respect, selflessness, emotional intimacy, and a shared willingness to grow together are essential for a successful marriage, irrespective of past experiences.
Sexual satisfaction in marriage is often at its highest when both spouses focus on one another's needs rather than solely their own.
For Christians, maintaining sexual purity goes beyond simply avoiding difficulties; it’s about respecting God’s design for marriage. A healthy marriage is founded on love, sacrifice, faithfulness, and a mutual commitment to prioritize each other.
Being faithful before and during marriage is the best approach to enjoying a fulfilling sexual relationship.