The only modification I'd make is to add 4 or 8 stitches. I didn't when I started knitting because my brain is too numb to figure out how to do it. Uh, duh, there are four hearts, add one or two stitches between each heart.
It's a little snug because I usually use 68 or 72 stitches for a sock, plus this one only has ribbing at the top, not all the way down the foot as usual. But it was so nice to knit, just mindless stockinette once I got past the hearts. I did drop a couple of stitches (which I managed to pick up a few rows later, one badly), because I was knitting in the dark, more or less, before two Last Train Home shows last weekend. In light (ha!) of that, these are now my (black)hearted aka Last Train Home socks.
They aren't the best, but they're the first ones I've done. I'll probably knit more of this pattern because they're so cute. I might make them of my spring yarn, Red Wagon. I think I posted a photo of that down a few posts.
For you kitty people, here's our Miss Lily, aka Fat Cat, aka Will You Quit Clawing Me B*tch.