I found the michelle bridges 12 week challenge awesome ans good to stick to the recipes where really family friendly and you don't need a gym becuase the training can be done at home or anywhere, she will tell you what exercise and cardio to do everyday and its all things you can do at home with no expesive weights, you take a photo before and measurement and weigh in everyweek online, its $199 and that gives you everything, I am still sticking to the diet now that i am pregnant and have just upped my calorie intake to 1500 a day. You can do it while you are breast feeding also.
Have a look online - good luck hope you find the motivation.
The only thing that actually motivates me is actually seeing a number on the scales that is lower - nothing else will motivate me!!!