There are 2 types of couples: parents and parents/lovers. In the first case, the couple is no longer fascinated with each other and they concentrate only on their kids. Mutual fascination, the wish to attract each other sexually vanishes. THey go on but there is no twinkle in their eyes, at times they find "a way out" of their mariage. They coexist because of the kids mainly. In the 2nd case, the couple, though they have a kid or kids, stil perceive themselves as lovers. They obviously concentrate on their childrn, their education etc. but they never forget that thay are man and wife. It is impossible to be meadly in love all the time but their feeling doesn`t disappear. They love each other and don`t think that once they are married they don`t need to bother to attract their partner.
CP Mary and CP Frederick must have transferred to the former category. Hopefuly, it `s only a temporary situation