My girlfriend and ger tattoo?

My girlfriend got a tatto about 6 months ago and we fought about it so much, I hated the idea of her with a tattoo and we almost broke up with all the fights...so she got her tattoo no matter what I said...I accepted it and like before I love her she is the love of my life...but everytime I loom at the tattoo I just get disgusted and angry...I hate feeling like this and she wants me to be ok with it, im trying I just don't know what to do...please help me anything would help.