Out+of+Patience

Why does Jake want to get out of Patience so badly? He wants to get out of Patience so he doesn't die there like every other J. Waters.

Why is Jake so afraid of the house on the corner of Endurance and Courage? Jake is afraid of the house because of the nightmare he had.

How did Jake find out where the first J. Waters hid the map? Jake wrote down the first letter of each word of the last thing Jeremiah Waters said before he died.