A positive consequence was that Hawking remained with a close group of friends with whom he enjoyed board games , the manufacture of fireworks , model aeroplanes and boats , and long discussions about Christianity and extrasensory perception .
[ 113 ] [ 114 ] A positive consequence was that Hawking remained with a close group of friends with whom he enjoyed board games , the manufacture of fireworks , model aeroplanes and boats , [ 115 ] and long discussions about Christianityand extrasensory perception .