Which details in the first paragraph reflect the time setting of the middle ages?

You can tell it's not modern at least, by the way Federico responds to the love he develops for Mona. She is not interested in his advances and what he does to show his love.

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The pattern is one based (sort of) on an idealized love called amour courtois or courtly love. The formula was very popular in the Middle ages.

This love is all one sided. It is male pursuing female and it is done in the very masculine way of the time. It usually involves a hopeless love.

We moderns do not believe in such tripe. We view success when both are "nuts" about each other. We might dream of courtly love for awhile, but our reality tells us that perhaps we should dream less and mutually pursue more and maybe that is even fanciful. But it is our pattern, not Federico's.

he was looking for nothing because this question had no complete sentence.