I HATE starting over

Was doing great for over a year, but then got hit with some major life stresses and schedule changes, so gave up on gym and caring about diet for a couple months. Which turned into six, then 8 months. Starting slowly all over again, and of course right back at square one. Yes I know I can do it, because I did. I know it's not THAT hard, honestly to pay attention to what I eat, and schedule gym time. Heck, I even know I LIKE going to the gym.
But now my Mom lives with us, and we are both carboholics, and she's a good baker lol. Not that I'm low carb, but I REALLY like the cakes, cookies, lemon bars, muffins and yeast rolls, and have a VERY hard time limiting myself to reasonable portions of goodies right now. Sigh. Also a case where journaling doesn't help me much. I KNOW what I'm eating, I KNOW what behaviors to pick up, and which to drop, and I know all the shortcuts that work for me. Apparently I just need extra whining to bolster my willpower, lol.