Hi all totally new to this but need to know if anyone been in my position. Found out 2 weeks ago partner of 18 years has a son with woman he had a short affair with the son is 10 years old. We have son who is 16. OH never told me she did. He finished affair but has had some contact with son behind my back. What can I do?? He says still loves and wants to be with me so confused !! Any advice appreciated