Your accent charmed Mrs. Smith.
To switch to an active voice, place the subject (your accent) first - it is being acted on (charmed) by the predicate (Mrs. Smith)
Mrs. White is a strong woman, and the narrator even says she's smarter than her husband. We get the sense that she makes lots of decisions for the family and that her husband is happy with this reversal of traditional gender roles.
As mentioned in Mr. White's section, she might go a bit too far sometimes, to the point of forcing Mr. White to do things he thinks are wrong, like wishing Herbert back to life. Some readers see her as mean and dominating.
<span>Talking on the phone, I heard the doorbell ring.
</span>The doorbell rang while I was talking on the phone.
Both of these sentences are correct and do not use dangling modifiers. In the first one, "I" is the correct descriptor of the person talking on the phone, so it makes sense. The second sentence is even clearer.
They get married and make the decision to die together instead of being alive and not happy