–she may be mistaken for a woman of loose virtue.

whether sister, mother, stranger, or wife.  Your wife may not object, although she would be very glad to have you throw your cigar forever away.  Her love for you causes her to endure it silently, and your coarseness causes you to continue it.

The author consulted fifty wives whose husbands smoke, and forty-six said they would give anything to have their husbands throw away their cigars.  The other four were not particular about it.  The experience of libertines is that a woman who enjoys the stench of a cigar is not noted for virtue.

–not even suggestive enough to produce a blush upon the cheek of virtue.

–“flirt” and virtue are never on intimate terms–“flirt” and harlot would suit better.