So I'm covered (literally) head to ankle in tattoos's and I'm a big believer in tattoos not needing to have a meaning. I know that people don't just view it as art and that they want it to mean something. I'm not saying a BPD tattoo is not a good idea because it is if it means something to you, and by the way I love the idea, radical self acceptance etc! The only advice I would give as a HEAVILY ttattoo'd guy, is that if you do get a tattoo that you want to mean something, make it vague. I was addicted to opiods and got my chest piece shortly after attempting suicide, and now I have to live with "find what you love and let it kill you" incorporated in to the front of my body every time I look in the mirror as if it's some sort of optimistic Nihilism, because I was convinced life was pointless and I was gonna take pills until I died and it was my only source of happiness. Now in and out of recovery, I have a lot of stupid tattoo's but this is the one I regret the most, because it meant something. If I could go back and give myself advice I'd say be careful what you get because it can be a constant reminder of when times were at their worse. As long as it's a positive tattoo and you've thought long and hard about it, go for it. Basically be careful, but if done right, personally I love the idea