|Volunteering should never be for how good it makes you look.|
One thing that can help your relationship as much as anything is to get involved with something that you both have interest in. For example helping the homeless, or working with special needs children. This can give you both so much joy and happiness. However you have to be dedicated to the cause. So many people want to do things for the status it brings them. They want to be able to through it out at parties like "Yes, last weekend I spend two hours at the homeless shelter handing out blankets, those people are so lucky to have me there" This is what the two of you need to avoid this should be a quite pride that they two of you share. Several well to do people want to help but just as a way of getting there name out there. When you do it as a couple you will feel a warmth come over both of you as you realize how truly blessed you are.