If not he forgets and wets his underwear and pants . Yesterday I took him to my parent 's house . Before I went , I asked him if he needed to go . He say " No " , but I still sat him on the potty .

OPT:
+The narrator 's best friend.
+The narrator 's infant son.
+None of the above choices ..
+The narrator 's grandfather.
Answer the following question: Who might be the he in question ?
The narrator 's infant son