Smile like you mean it
The smiley has a had a strange life in advertising, designed by an American but trademarked by a canny Frenchman who saw a good opportunity. It's meant everything from 'be a good neighbour' to 'here's a dubious tablet', but it's now usually intended to connotate happiness, which is generally agreed to be A Good Thing.
Word. have done their usually sound job of rendering the concept as cover art, then inserting paper which absolutely loves graphite, and can just about handle fountain pen ink too. As a classic pocket-sized notebook it has a lot going for it.
If smileyness is your thing, a three-pack is available for a modest £13. 'Lucky for some!