You certainly don't have to surround yourself with things that make you smile, but why wouldn't you?

I love my new set of <a href="http://www.amazon.com/gp/product/B002L162FS/ref=as_li_ss_tl?ie=UTF8&amp;tag=mothisblisort-20&amp;linkCode=as2&amp;camp=1789&amp;creative=390957&amp;creativeASIN=B002L162FS">measuring Matroyshkas</a><img src="http://www.assoc-amazon.com/e/ir?t=mothisblisort-20&amp;l=as2&amp;o=1&amp;a=B002L162FS" alt="" width="1" height="1" border="0" /> -- they're adorable and practical.  And if they help keep clutter at a minimum, then it's a win-win. (I hate that expression, but it fits here, don't you think?) Sure, I could have bought a set of regular cups, but where's the fun in that?