John 2:21 - Instead he told of the way his body was a temple.
John 2:22 - After Jesus rose from the dead, his disciples recalled what He had previously said to them as scripture and found it to be true.
John 2:23 - He was hanging out in Jerusalem eating food, drinking wine, and performing amazing feats - which drew unto him a great many interested parties.
John 2:24 - Jesus did not trust himself so he did not commit himself to them.
John 2:25 - Nobody needed to tell him about man because he already knew about man.