Our unconscious mind constructs a kind of fantasy partner from those we loved as a child, that guides our search for a life partner. The result can be some fairly unreasonable expectations like expecting the other person to know what you need without your having to tell them, or expecting the partners love to hold the answer to all of life's other problems and that this love can fix everything as if by magic. The parents understood what you could not and delivered relief. Trying to get partner to become parent who gave without asking, a kind of regression to childhood and we become compulsive when unmet childhood needs control our behavior as adults. Since certain of the child's needs are essential to survival, they can be very strong, so there is emotional intensity and a presumption of entitlement.
Adults sometimes use criticism instead of crying.
Everyone inherits some unresolved conflicts from their parents, and from childhood. There is some level of frustration rooted in childhood pain. How we treat our partner and parent our own children reveals a great deal about how we were parented. When a particular parent-child interaction reveals how strongly we resemble our own mother or father, that insight can be extremely disheartening. But it can also be a catalyst for exploring unresolved issues that originated in our own childhood.