Remember! Be faithful; trust in me, and wait.

And the instant I say, "Speak!" pour out your soul, my dear friend, and be certain you are not pouring it out in vain.

L.M.
Writing about "pouring out" made him thirsty, so he fortified himself several times, and then, sealing the letter, went out to a letter-box and stood looking at it.
"If I mail it I'm in for it," he muttered.

After a while he put the letter in his pocket and walked on.
"It really doesn't commit me to anything," he reflected at last, halting before another letter-box.

And as he stood there, hesitating, he glanced up and saw Quarrier entering the Lenox Club.