User blog comment:EchoHolic/Echo's Corner: Marriage, Expansions and You/@comment-28069733-20171112202359

Even with the pessimistic attitude of the author, the guide actually covers up the essentials when it comes to statfagging with the marriage mechanic.

One thing I want to point out is that while marriage does increase the max HP value of a ship and thus potentially increases their Taiha rate, the reverse is also true for the ships who already have a 4n HP value unmarried and gets pushed out of the 4n value through marriage. Ships like, and  will get an increased survival rate instead through marriage.