Mr. No-follow through

Dear, Mr. No-follow-through
You have no idea what you do
May seem like a task so small
But when undone it makes me feel like I am nothing at all
All it would take is for you to do what you say
To not leave me feeling down and in dismay
Make me feel like I matter
And I will start to feel better
The little things are what do it
So please, if I matter, prove it!