If you feel you both still have feelings for each other then you are going to have to get some kind of closure for those feelings but meeting might not be the best idea for that because if you see each other again it may bring all of those feelings to the surface, if you are sure that you can meet without it going any further than old friends having lunch or talking but still I wouldn't jeopardize his marriage or your relationship. If you do this you have to do it when you both are free and single. I can understand your feelings come flooding back into your heart for him but the simple truth is that he is married. If you feel you have to do this to see if there is feelings there or if things have changed then you have to make the final decision but if you decide to do this then take into consideration if you would want your husband to meet an old flame without you around. Is your gut telling you to meet or is your heart telling you to? There is a difference because many times out heart can lead us to do things our minds wouldn't allow us to do. If you think meet will be okay and the two of you can contain your feelings then I would meet him in a public place and not stay at the same hotel and not be alone it's important to do this the right so that you both can have a clear conscience and won't be hurting anyone.