Virtually nobody gets just ONE tattoo.  Getting and having tattoos is FUN.  Quality tattoos positively affect self esteem, so once you have one, and love it, you will naturally want to repeat the experience.  This is why tattoos are said to be “addictive”.  Tattoos are of course NOT addictive, however a positive tattoo experience is so rewarding that it is only human nature to want to experience it repeatedly.  This is something that those with no tattoos find nearly impossible to grasp, vehemently denying that this line of reason will apply to them.  Just ask your friends with tattoos- most of us at one time or another tried to convince ourselves that we’d only get one, or maybe two, or three, or four