本書の欠点は、既婚者である著者が非婚をすすめても、説得力を欠く事である。

tbd

The weak point of this book is that it's less than persuasive when the married author recommends not being married.

彼は既婚者なのだから、将来のことを考えなければならない。

tbd

As he is a married man, he has to think of the future.