In fact, Ms. Pat is ready to kick Alison out, even when Alison reveals her father has disowned her. And it is only due to a sudden blizzard that Alison gets to stay as long as she does.
But, with Junebug being adamant that if she goes he goes, Ms. Pat agrees to his terms and kicks him, Alison, and the baby Alison had on Ms. Pat’s couch out.
Ms. Pat's empathy, but holding firm with Alison was notable for it showed how complicated the situation was, yet also that Ms. Pat still has a thug's heart.
In Junebug following his father's example, we see one of the few positive instances of something being passed generation to generation, even if it led to him getting kicked out.