Ancient Greeks and Romans had a drastically different view of what was allowed sexually. The good news is the Gospel has redefined sex for the entire world and in its sunrise has protected the most vulnerable in a society.
Paul has to leave the new church quickly and has concerns about tough things he had said to them. Did they accept them? Reject? Were they mad at him? He sends Timothy and gets a refreshing answer to his relational doubt.
The church at Thessalonica is a model of church success. This leads to the big question: why? At the end of Chapter 2 we get the answer. It is God’s Word, Suffering, War, and the Win.
Spiritually mature Christians adjust their attitude and mindset onward; they have a forward looking mindset. We are to follow Paul’s and other mature Christian's example of making spiritual things a priority in their lives by developing an upward perspective.
Paul leaves Thessalonica after only 3 weeks and into that vacuum of leadership comes accusations leveled against him. He uses chapter 2 to defend how he ministers and gives us a brilliant path to follow.