Welcome to 3fc.
I'm so so sorry for the loss of your husband. What a difficult journey you have been on, let alone your weight loss journey. I am also so amazed and impressed at your success at losing weight during such a difficult time.
You clearly already know what to do to lose weight, you just have to find in yourself the inspiration to continue. Every person's inspiration is different here: for some it's their children, others it's boyfriends/girlfriends, for others it's pretty clothes, and then there are upcoming special occasions. And the most common one: health.
I'm sure that you can be inspired by one or two of those, and until then - just keep putting one foot in front of the other. You're doing great!