Marriage is a gift from God. It is a blessing. But it is also a tool God uses for our sanctification. As it is with the most valuable diamonds, strong and joyful marriages take time and are often forged through great pressure.
One sinner plus one sinner doesn’t equal zero conflict. You cannot avoid it because marriage is an unconditional covenant and commitment to an imperfect and sinful person.
Jesus famously cries out from the cross, “My God, my God, why have you forsaken me?” Why did he say this?