What kind of a marriage is this?is my friend okay in this relationship?

my friend is 31 and has both his wife and daughter's name tattooed on his arm but his daughter's name is artistically done with flowers nd doves dedicated to her while the wife has skulls made near her name and is barely visible.he admitted to me that the birth of his kid changed him but after marriage he looks sad and very hard to understand what are his problems.though he brings her to public events every time except official events he never holds his wife on the waist as a couple but does hold other women by the shoulder or waist,once they posed with my friend holding her by the neck like that in a pub holding hands but it looked as if he was strangling her and it looked very weird.they are married for 4 years now.and after marriage he seems pretty stressed and quiet while he was very jovial.recently he also likes psychopath pple in films,loves ghastly designs and black on clothes skull tattoos on his arms and has left st Louis to live in desolate high ridge.hes very rich and was a playboy before,