It was love at first sight when I saw this font. The hand-lettering trend is still going strong, but I find most hand-lettered fonts, a little vanilla and generic.
What makes Worthwhile so striking is the variation in line widths. Compare the thick stem of the 't' with the thin ascenders on the 'w'. The font doesn't have a formal upper and lower case set of characters, but as you can see above, what's offered is a varaiation of size between versions of the lower case letters.
Note the character for the ampersand '&', the word 'and' spelled out with a swashy ascender on the 'd'. Nice.
There are some limitations - there aren't a lot of extra characters, and as mentioned no upper case characters. But you can check it out for yourself, download it free here.