The tenor of the sonnet shows that love keeps you perpetually restless.

I do not think this ought to be the effect of love, and so I send you one of my poor performances to prove the contrary opinion." We may perhaps assume that this sonnet was the famous No.xxxi., from the last line of which every one could perceive that Michelangelo meant it for Tommaso Cavalieri.
VII It is significant that, while Michelangelo's affection for the young Roman was thus acquiring force, another friendship, which must have once been very dear to him, sprang up and then declined, but not apparently through his own fault or coldness.

We hear of Febo di Poggio in the following autumn for the first and last time.

Before proceeding to speak of him, I will wind up what has to be said about Tommaso Cavalieri.

Not long after the date of the last letter quoted above, Michelangelo returned to Rome, and settled there for the rest of his life.