Having some way of marking loss milestones can help give you direction on days that can bring up all kinds of complex emotions. Getting a tattoo is just one way of doing this. You could also plant a plant or tree. You could light a candle and read a poem or letter. You could have family over for dinner to celebrate your child's life. Whatever makes sense for you. Milestones are tough. With a little planning you can find a way of marking the day how you want instead of getting swept away by it.