The #1 problem people have with motivating themselves is that they get tunnel vision, think too far ahead, give up and never just keep it simple and take it one step at a time. Think back on everything major you've accomplished in life and realize that it didn't happen overnight. It happened because what you did in the moment.
It sounds like getting off to a start is no problem for you, so you are doing better than so many people in the self-motivation game!
What you need now is some follow-through. The average behavior takes 28 consecutive days to become "normal" (obviously this will vary) and until that point you will need to push yourself out of your comfort zone. That comfort zone can even be something like not wanting to be bored or simply having the feeling that you're making progress.
So what you need to understand is that 2 weeks into your routine, you're not finished! Relatively speaking, it's like you were 2 weeks of exercise lighter but you haven't even started.
If you struggle to stay commit to goals, set them day by day. Personally, I just tell myself as long as I did better than the day before then I've reached my goal for that day. If you can muster up the fortitude, keep the same goals and recommit to them every morning. Write yourself notes, print pictures of yourself when you were younger and skinnier near your bed, whatever it takes to remind you why you started this endeavor in the first place.
Anything that anyone else can do, you can do. They have no mystical power, they have the right mindset, and that is all you'll need to come up with to put your body into action.