How do you stay motivated to continue losing weight ?

Internal motivation. Fact is, you don't mater to me or anyone else. If you just melted where you stand, there would be about 7 people who would notice, 3 who would be sad for a week and maybe 1-2 who might keep your picture. You don't matter to anyone but yourself. That's not sad, that's empowering to say that you get to do everything you do for you (that can include serving and nurturing others too, this is not the "selfish" method).

If you check out my groceries fast enough, you earn a place in the (my) world, so how do you get the motivation to workout and lose weight? I have no clue. You know what you want to do it for. In your situation, most people do it because they are struck with their own mortality and responsibility, "I want to be there fore my kid and not be sick and weak, holding them back." That's valid.

But my question comes back around again, what is your motivation and where is it coming from? Sometimes what makes me go in to the gym when I don't want to is knowing that when people look at me, they give me a face that says I'm awesome. Its's horribly selfish but it is an INTERNAL motivation even if it involves how other people look at me, I choose to cognitively put the weight on how it makes me feel to be seen that way by others as well as myself. I want to look and feel that way.

It's when we get these convoluted messes of working out to lose weight because we feel that we are not good enough to be loved if we are fat so you end up working for someone who will never validate you, me. I will not validate you. I don't care about your health or looks. You stay motivated because you want to do it. You want to feel and be in a different body than you have now. So you work to change it.

I don't headbutt strangers because the cops tend to stop me from working out when that happens. I am not very motivated to not headbutt people, but I manage. My not headbutting comes from not wanting to make my wife and kids hate me because I got them on the news. That's hard work. Lifting that last rep to look pretty and feel admired is my motivation. That's my life. Life, as in pleasing everyone around me, is decidedly no way to live.