How did Sir Henry react when he saw Watson ? Why did he react this way ? Chapter 9

Sir Henry was surprised, a bit embarassed, and also slightly irritated to find he had no privacy.

"You would have thought the middle of that prairie a fairly safe place for a man to be private," said he, "but, by thunder, the whole countryside seems to have been out to see me do my wooing-- and a mighty poor wooing at that! Where had you engaged a seat?"