ROFL because you don’t have a job?
Good manners are important. Hopefully, that’s obvious. What’s even more obvious is the fact that you shouldn’t use texting language in your cover letter. No “C U L8ter” or “I’m so awesome all your Customers will 
me”. Never in a million years did I think people would actually do this, but it turns out that they do. Check it out…
http://www.39online.com/news/local/kiah-good-bad-manners-story,0,1972155.story