Gambling has clear connection to divorce with studies showing that people with gambling problems have much higher divorce rate. Hiding your gambling from your partner is major issue as keeping secrets destroys trust that is essential for healthy relationship. If you get into financial trouble and have to tell your partner it can be shocking surprise that seriously damages your relationship. Using shared money for gambling without your partner knowledge is betrayal of trust. Ultimately financial problems and emotional stress and loss of trust caused by gambling can be too much for relationship to handle which is why it is so important to be open and honest with your spouse about your gambling habits.