What is William's first reaction to Kit when he first sees her?

William is smitten.....

"And her son, William," continued her aunt. Braced to meet the reserve and suspicion she had encountered at every introduction so far, Kit was startled to meet the unmistakably dazzled gaze of William Ashby, and unconsciously she rewarded him with the first genuine smile she had managed this morning. Kit had no idea of what happened to her thin plain features when she smiled. William was speechless.