Unfortunately body image issues have a tendency to stick around long after the weight is gone, this is in part due to the not so welcome gift of lose skin that doesn't tighten back up after a major weight loss. First off, if your girlfriend has been with you long enough and is thinking about marriage, there is a VERY good chance she has already seen under your shirt, even if it was just a glimpse. Based on your insecurity she more than likely knows that it is a problem. But given that she is still with you, she obviously accepts that as a part of who you are and loves you regardless. I had the same insecurity and didn't want my girlfriend to see me naked because of loose skin, after I realize she didn't care, she now has to scold me to put on clothes because I walk around naked too much. Fortunately love is unconditional and the sooner you realize that the closer you will be to accepting your new body and getting comfortable in your own skin. I know it is a scary thought, but talking to her is the answer. The funny thing is, once you voice your concerns and realize that she is there to support you and not judge you, you will end up laughing at yourself for building up so much hype around it. With regards to your own body image issues, I really struggled with this for a long time. I lost 120lbs about 6 years ago and it wasn't until about a year or 2 ago that I really accepted my new body and how I fit into it. It really is all in your mind and until overcome those strong emotions you have from being overweigh, you will struggle. For me I found that it wasn't as much a case of how I looked now, it was more a case of how my mind was telling me I looked. I was bullied a lot in school and this led to some pretty nice confidence and self-image problems. As much as I thought I was struggling to accept my new body, it turned out that I really needed to address the struggles I faced in high school and rationalize what I went through. Once I let go of those negative emotions and all the hatred I was feeling when I thought about those times, it was like the clouds lifted and I started to focus on who I am now and what I have achieved rather than associating my weight loss with those negative feelings. Maybe your next goal will be to save for some surgery. I have talked with my girlfriend about it and she tells me I don't need it, but for me it is more about the final step to celebrate my achievements. P.S. Maybe in the short term you want to start some weight training. It is a great way to help firm things up and filling out your body...just with muscle instead of fat. Regardless of your choice, I strongly recommend working on addressing the root of the negative feelings you get when think about your body.