Being in the habit of saying "Thank you," of making sure that people receive attention so they know you value them, of not presuming that people will always be there--this is a good habit, regardless...make sure to give virtual and actual high-fives ...
If a person who is content with his life meets someone who makes everything just a little bit more challenging, who both fits and doesn't fit into his life and his routine, to quote Guy Fieri, it is On Like Donkey Kong: swing the rope, jump the barre...
To quote French author Francois Mauriac, 'Tell me what you read and I'll tell you who your are' is true enough, but I'd know you better if you told me what you reread.