I haven't done a Lenten promise or a New Years Resolution since I was in elementary school. I've never seen much point of it. Almost everyone who makes one of these things breaks them because they are doing it just for the holiday's sake and not for their own. No one is going to quit smoking or eating bad and stick to it for long if their largest motivation is because of a holiday. If you wanted to change or improve your lives, you would have done it before based on your own reasons and forces.
For new years, my girlfriend swore to me that she would start eating better and exercise more because she kept complaining how bad she was looking. I was as supportive as I could be for her, but I knew that she wouldn't follow through. She lasted a week before she gave up drinking two glasses of water a day. The cookies came out after she weighed herself after week two and saw she lost 4 pounds. She stopped exercising and taking walks a few days after that. Now for Lent, she wants to give up junk food again... It's maddening.
I'll never understand why people make these goals to begin with. Do you guys really think that you're going to follow through with the things you're saying? Do you really even care if you do? If you do, what makes this time so different from the other times you have said or done something and haven't followed through? It is just crazy to my why people are so obsessed with these kinds of things when in practice they really don't give two shits and a rats ass...