Great parts produce great vices as well as virtues.
Before all it's necessary to look after the Soul, if you want the head and the rest of the body to function correctly.
A good decision is based on knowledge, and not on numbers.
So where it is a general rule that it is wrong to gratify lovers, this can be attributed to the defects of those who make that rule: the government's lust for rule and the subjects' cowardice.
The proud man is forsaken of God.
Never discourage anyone who continually makes progress, no matter how slow... even if that someone is yourself!