About T-Shirt Design
One look at I have multple Personalities and None of them likes you Offensive TeeFunny Tee and you pretty much know what kind of sense of humor it has. The everyday humor angle gives it a little extra personality without making the design too busy.
You could wear it for casual days, bring it out for holidays, or just keep it in the normal shirt rotation. It fits the style of adult humor t shirts that are a little more grown-up but still mostly about getting a laugh. It fits nicely with novelty t shirts that are meant to be fun first and serious never. The joke is quick, the message is clear, and that is really all it needs.