[header] How to tell your partner about your gambling addiction [title] Acknowledge that the relationship will change. [step] Prior to telling your partner, understand that the relationship between the two of you will be different after you tell them. Depending on the extent of your gambling addiction, you may have done things that you are not proud of and that will hurt your partner. 
Just be prepared to face any relationship changes. [substeps] The change doesn't necessarily have to be negative.