Continual lack of attention
In his letter, Jack admitted that Laura had missed the fact that he had a new haircut and was wearing a new pair of silk boxers the week before. He felt unnoticed and resented Laura’s lack of interest.
No Spark
In his letter, Jack continued to air his grievances, claiming that when Laura gets home, she eats her dinner in two minutes, watches her favorite soap operas, and then goes straight to bed. He’s always perplexed as to why Laura doesn’t tell him she loves him anymore. These were some of the reasons he wanted to end the relationship.