Greetings from The Modern Gentleman,
Perhaps if i may be so bold as to share my opinion.
It seems that Undiscoveredsoul98's friend is thinking too much.
Sometimes, we may not notice it but the very enemy is our very own
thoughts. The fact that she read the note and cried a lot is
irrelevant to your friend's situation.
It could mean she actually love him or it could just simply be
that she is someone who cries alot. It could mean anything. The
infinite questions you can ask yourself, the endless "why would she
cry?" is enough to consume a person's mind.
Instead, i would suggest asking your friend to work on himself.
Unreciprocated love is only painful because we have the expectation
of our love being reciprocated. He should dig deeper and sort out
his feelings for his female friend.
Is it really true love? Because if there is one thing i know,
true love is never painful. To love without any expectation is one
of the most beautiful feeling one can have.
If he is feeling some form of emotional pain, then what he can
do for himself is to be brutally honest and investigate into that
pain, to see if there is any form of expectations or attachment
behind that pain. Chances are, there will be.
Do note that he should take it slow. It is not easy and often
very painful to see the truth, especially after a ten year
relationship. But as the popular adage goes, the truth will set you
free.
Sincerely,
The Modern Gentleman.