Because the rest of us think you're an idiot.
Don’t listen to all the bad things people are saying about you. And they are saying bad things about you. They’re pretty funny, too! Especially the one about how nobody will ever be desperate enough to love you. Anyway, don’t listen to them.
If you require additional affirmation, get a puppy. The rest of us are trying to work.
If a pretty poster and a cute saying are all it takes to motivate you, you probably have a very easy job. The kind robots will be doing soon.