I have seen some beautiful designs, not unlike tattooing.
However, that article makes her motives sound very odd. As though she turned up at home, without discussing her plans first, and told her partner that she had done it for him (why? why did she think he would like it?). If she had done it herself then it would sound like self-harming, in a sort of "I love you so much, I hurt myself for you, every time you see my scars you'll remember I love you so much, you'll never leave me will you?" somewhat unhinged way.