Слово "add". Англо-русский словарь Мюллера

But I was flattered and I was too young to have learned to say no to a woman. (Few men, I may add, learn this until they are too old to make it of any consequence to a woman what they say.) I had eighty francs (gold francs) to last me the rest of the month and a modest luncheon should not cost more than fifteen.

Seen now, in broad daylight, she looked tall, fair, and shapely; brown eyes with a benignant light in their irids, and a fine pencilling of long lashes round, relieved the whiteness of her large front; on each of her temples her hair, of a very dark brown, was clustered in round curls, according to the fashion of those times, when neither smooth bands nor long ringlets were in vogue; her dress, also in the mode of the day, was of purple cloth, relieved by a sort of Spanish trimming of black velvet; a gold watch (watches were not so common then as now) shone at her girdle. Let the reader add, to complete the picture, refined features; a complexion, if pale, clear; and a stately air and carriage, and he will have, at least, as clearly as words can give it, a correct idea of the exterior of Miss Temple—Maria Temple, as I afterwards saw the name written in a prayer-book intrusted to me to carry to church.

Even creepier, what might it add?

He has never done anything in his life but add up figures.

Were long notes on Prof, and I was embarrassed as they added up to "harmless old fool."

He had borrowed this money at a time when, having saved enough to buy the house, he desired to add three rooms and a porch, and so make it large enough for them to live in.