The function of that sentence

This is after I left my hometown , For the first time . Later, a lot of things will be known after a long time , The first person is the local , Parents are energetic , There are three brothers in the family , They are also quite capable .

 

That day in the canteen , Although I'm just an outsider , But this sentence really makes me sick . I put the rest of the meal in the lunch box , Back to the dormitory , The sun is scorching at noon , I'm lying in bed thinking , What he said , It seems to say to the person who shook his hand , In fact, it's also for people like us .