Was Abraham Lincoln EVER happy?

[Donna McCreary]

I read somewhere (it's too late in the evening to go searching) that Martha Washington once wrote to her daughter in law, that every morning when she woke up, she made up her mind whether or not to be happy. (or something close) It seems that the quote "to be as happy as you want to be," (or a variation of the statement) has been a common mantra for many years.