Chapter seven: Father and son

Comment on the following quote: "And, of course, Alex understood only too well." (p.43, l.33):

In my opinion Alex have the same mind as his dad:

Tom left Alex and Alison to see the world and don't become an adult.

Alex want to meet his father and fly alone around the world to Australia.

The two want to have adventure and can't stay on one point too long.