I'm getting my first tat this week and I figure go big or go home! Its going to be pretty big across the top of my back just want some feed back on what to do to avoid some pain lol or advice on how to take care of it

Please and thanks

I'm getting my first tat this week and its going to be on my back in the middle like inside my shoulder areas I just want to hear some feedback of what to do to avoid some pain lol cause iknow it is going to hurt but some advice please and thanksss