Testing by a child. How to restore harmony in relationships after the birth of a baby

Having decided to have a child, expectant parents eagerly await the birth of their firstborn. They anticipate the joy of meeting a new family member, imagining the baby's laughter in response to the father's grimaces and the first "mom" escaping... from the little one's lips... but in practice, everything often turns out to be not so rosy. Possible problems with conception, nine months of one partner's poor health and the growing detachment of the other, painful labor, strained financial situation or a tight work schedule – all these things together or separately can lead you to a situation where, in caring for the child, you lose each other. According to statistics, one in five couples will separate before their baby turns three. But how to avoid this? How to restore harmony in a relationship when the world seems to be falling apart?