How dare he doesn't trust her when he's currently and have been lying about there marriage all along.
First he don't trust her because she tailed him while less than 10 chapter ago he did the same, Second he commit a suicide and blame her as his last word as if he didn't brought and bought this unhappy marriage on himself. 
This mf need to understand that nobody owes him s*t like this bullshit about getting weird when she cries know just prooves how inhumain he was you made her believe you loved her for years but once married neglecting her. So how many time did she cried to you for you to be digust by her cries dirty mf?