My boyfriend likes to smell my dirty panties, should I let this behavior continue?

[sarcasticbella]

When I'm not home he says he takes my underwear from the hamper and sniffs them while he masturbates. I find this very strange because to me my dirty underwear smell unclean. I've seen him sniff them when I take them off and it gives him an erection, is this a strange fetish or is it more common than I think? I asked him how he'd feel if I did it to him and he said he'd think it'd weird because his underwear actually stink, which they do lol, I just don't see the difference because mine aren't all roses either. I'm embarrassed by this, no one wants anyone in their dirty laundry...any insight on this matter?

[Anonymous]

I smell any panties I get the chance to sniff. Except like old women and my mom.