The question is, does Insigne have the ambition? With Defoe, it was homesickness. And, apparently, his mother encouraged that feeling. With Insigne, who knows? Might well be that his adventure to live without the constant attention in Italy hasn't met his expectations. Maybe his wife misses her family. These factors would affect any ambition he might have had to perform well at training and on the field. Never mind the big salary; he's already a wealthy man.
The question is, does Insigne have the ambition? With Defoe, it was homesickness. And, apparently, his mother encouraged that feeling. With Insigne, who knows? Might well be that his adventure to live without the constant attention in Italy hasn't met his expectations. Maybe his wife misses her family. These factors would affect any ambition he might have had to perform well at training and on the field. Never mind the big salary; he's already a wealthy man.