Good-humoured unaffected girls will not do for a man who has been used to sensible women. They are two distinct orders of being.
Each one has to find his peace from within. And peace to be real must be unaffected by outside circumstances.
No matter how full a reservoir of maxims one may possess and no matter how good one's sentiments may be if one has not taken advantage of every concrete opportunity to act one's character may remain entirely unaffected for the better.
I think you go through a period as a teenager of being quite cool and unaffected by things.
There is a boundary to men's passions when they act from feelings but none when they are under the influence of imagination.