Letter with Advice

The writer sympathizes with the recipient's age-related affliction as common and nothing shameful, then passes on a remedy he cannot vouch for.

Find a prime wolf, take it on bare-handed, pin it down and throttle it while speaking the words 'sum vir'; then tear out its heart and swallow it entire — instant restoration of manhood. He admits it may not work and advises dropping the idea, but wishes the old friend luck if he tries.