The so-called fickleness means that the affection slowly dilutes with the changes of the years. The initial stay together does not mean that they will grow old together. The so-called holding the child's hand and sleeping with the child, in addition to the sustenance of the marriage contract and love as the foundation, it also needs to be fickle.
Well... That is to say, the so-called lovers in the beginning will break up in the end...
For some reason...