She said their relationship itself was always difficult to maintain, especially when he had people like Lin Xin Ya in his life (they did date long before “Bona” met him and she later found out that he still had her number so even though he denied that he kept in contact with her; “Bona” thinks they still did) and because he did keep in contact with other girls while they were dating (mostly Chinese girls as you can tell by the below picture).