About T-Shirt Design
You do not have to think too hard about I Love My Handsome Boyfriend Tee. The joke is right there and it gets the point across fast. The love and relationship humor angle gives it a little extra personality without making the design too busy.
You could wear it for birthdays, bring it out for Valentine's Day, or just keep it in the normal shirt rotation. This is the kind of idea that works well on novelty shirts because you can understand it right away.
The design is easy to get, easy to gift, and easy to wear without overthinking it.