What is friar pondering when scene 3 opens?

In the beginning of Act 2, Scene 3, the Friar is picking herbs and flowers from his garden and thinking about what each of them can do. He is pondering the fact that some things that come from nature can heal a person while others can harm or even kill people. Additionally, some herbs can do both heal and harm if used different ways. 

Bigchungus: bangs on doorpapachungus: that held em al rightthats how chungus works