Jack finds Stephen appearing unkempt and unhappy, leading him to believe in Stephen's innocence concerning Mrs. Fielding. Stephen's disheveled appearance, marked by a three-day-old beard and a poor wig, reflects his discontent. He expresses his frustration with the invitation to have chocolate, deeming it highly inappropriate for the morning.
Stephen's comment about the weak and lukewarm coffee further illustrates his displeasure with the situation. His expectation of a more suitable morning beverage indicates a desire for more conventional hospitality, revealing both his character and the tension underlying the invitation from Mrs. Fielding.