A weird situation about anal.

TL;DR at the end of.the post.

Im a male 23 y.o. been with my girlfriend for 6 months. So the sex is usually passionate and amazing but , for the first 4-5 months , the mention of anything anal related was frowned upon by her(and she told me she wont ever do anal), but i just fucking love any kind of buttplay .

Recently i started to slip in some buttplay ,nothing big just circle her anus with my finger or just toying around with it , no insertion and stuff . The thing is it made her hornyness level go to overdrive , 11 and all the synonims to that.

Last nigth we were 69ing and i thougth , hell why not give her a nice rimjob, at first ahe was a bit confused but after she got around the fact that im sticking my tongue up her ass she was fucking melting.

After we got thrue the whole ordeal of fun in between the sheets she told me: if we ever do anal i think youwould be wery gentle, caring and it would be pretty nice, but only after you let me stick something, bigger than my finger up your ass.

Maybe a scare tactic or seemed more like a joke, but thats kind of what i would love to try out, it juat seems that it migth feel pretty nice or id even love it, especially if paired with a bj or normal sex, fuck anything really.

The problem is i dont know how to approach this question, i want to tell her that : yes , please , do it , i really want you to do it . But i feel like ita going to weird her out or make hwr think some upsetting stuff about me.

Can anyone give me a good way.to approach jer about this?

TL;DR : finally made my gf consider anal but she wants to insert something up my ass. I think i would love it but am feeling kind of weird saying it to her.