Answer:
2 reasons
The first is that: I can't risk getting some kind of nasty eraser infection.
The Second is: that my dad will come back, find you, and kill you for marking me,” Shay replied
Step-by-step explanation:
The tattoo really represents Shay, the memory will always be there as well as the love and the pain. As Dante grows the scar will fade and become more subtle just like how once the wound is closed Dante and Shay's relationship will become nothing more than a memory.