Boyfriends first letter of his name as a tattoo...with a rose which also has symbolism in it

So... I get jinxed a lot and whatnot and everything bad happens to me when I don’t want it to. I’m madly in love with my boyfriend and he loves me too. I’m getting a tattoo tomorrow ( I already paid for half) and it’ll have the first letter of his name. I’m scared that he’ll leave me... that it’ll scare him away. I don’t want this. I want to be with him for a long time and we’ve spoken about it before. I want his children and he’s told me he does too just not now... we’re still young. I’m just asking for reassurance and I’m a little anxious as this will be my first tattoo. It’ll be in a place inconspicuous, on my hip bone, no one will see it but me and him. We’ve talked about getting a red knot of string on our pinkies as a tattoo... I’m just very very anxious. He’s gone on vacation too with his family in Central America so he won’t see it until he comes back the end of December