You will kindly consider yourself _in loco parentis_ to him, charging same to my account.
On presentation of this letter, please pay Mr.Thompson's fine or go his bail, as the case may be, furnish him with pocket-money and a ticket home, and see him safely on the right train.
Should the matter be more serious, wire me at once.

Periodical insanity can be readily proved.

He has just recovered from a paroxysm at this writing.

He is subject to these attacks whenever his wishes are crossed, having been raised a pet.

Therefore, you will be doing yourself a great favor by acceding to any request he may make, however unreasonable it may seem.