If at least one of the partners is prepared for that, a couple is compatible. If both of the partners are prepared for each other’s changes, they are perfectly compatible…
Asuras and Devatas
Owing to such readiness, even fundamentally incompatible types of consciousness, like those of asura and devata, can make a match that works reasonably well. To be more precise, there are two types of consciousness: asura and devata, and human consciousness may find itself in one of these two states. Asuras are those who learn to harm others. They practice deceit, accumulate experience in criticizing others, creating hostility and even making wars.
In contrast to this, devatas aim at doing good to others. They learn to take care of other living beings, exercise patience with them, understand and help them.