Input vs. Output

This was going to go up on my diabetes blog, as it starts out on a diabetes note, but I feel that the lesson carries through to other parts of life, so I decided to post it here.

This morning, I sent a text to a number of my contacts, most of whom have diabetes, saying:
"Good morning! This is to inform you that SD will be having perfect numbers today. If not, it will not be due to a lack of effort on her part. Thank you. :)"
I got varying responses, from "sweet dreams" to "good luck" to "me too" but I have a feeling my message was misunderstood.
A diabetes educator once told me that when patients are embarrassed to show their blood sugar records to the doctor, it shows one thing: they didn't try their hardest. If I try really hard, I test my blood sugar as often as I should, and I count my carbs and take my insulin the way I should. No matter what the result of my efforts is, whether my ensuing blood sugars are the way I want them to be, I can be proud knowing that I did my best.
So last night, I decided to do this will be my strategy for the day. It was a good thing, because I woke up with a high blood sugar. Normally, my reaction would be: well, it's too late to have a good-numbers day so why bother.....
But today I decided: Any lack of perfection is not due to a lack of effort on my part. I tried my best. And that is all I need to know. Sure I would rather have had my blood sugar rest on an even plateau of 100 all day, but if it didn't...well I am not ashamed or embarrassed. I did my best.
And that's how it goes in life. Things don't always go as planned, yet, we can't let it get us down. We control one thing only: our input. If you try your hardest, and fail nonetheless, that is not something to be ashamed of.
So that is my new project. I will be trying my best, to do my best, and I will be proud of the results, no matter what they are.

(ETA: I sent it to four friends who don't have diabetes, but knew that I was struggling to motivate myselft and have better control. Probably the fact that it was early in the morning and I was checking off my recently texted contacts had something to do with it. Oh, and I figured that the more people that know about this, the more embarrassing it would be for me not to comply.)