Come on, it's one of your first posts. We get loads of trolls. We were all taking a rip at you. Diapers? And the IQ comment is in general...but if shoes fit.... So, onto the real issue...it's recently started? Have you changed from condoms to other methods? Changed something about how you cuddle? (Gravity always wins) I'm thinking this is still the same dude, right? So no changes there in, er, output? And is it consistent? At some points in your cycle the cervical mucus is thinner or thicker, and that can affect leakage a tiny bit. But a towel and bearing down (if not heading to the loo) will do. And peeing after is beneficial. And, most guys either won't notice, not care, or think its kind of hot. But really keeper type guys fetch the warm damp towel.
Hey, you're having sex: that involves putting semen/sperm/cum/whatever into your vagina. Of course it's going to leak. Trust me, even after the first wipe/clean with tissues, there still going to be a wet-spot later on. It's the way our bodies are made. There are ways to not have semen inside you, but if you do - IT WILL LEAK well after the initial wipe. Live with it! we have!
Am I wrong, or did she say "Fanny?" That's anal sex, not vaginal. For Vaginal sex, I use the bathroom. Sometimes I take a quick shower, which usually helps. Then I wear a panty liner. That gets the rest of it (which takes a while to come out.) I suppose the panty liner would work for anal sex too. I agree that it's odd to use the duvet to clean up. A little nasty. Just get a damn towel. How hard is that? We use a towel during period sex anyway, don't you?
This "big load" thing is so annoying. If he suffers of this terrible condition, ask him to masturbate before sex and dispose of his mess. When that is done with, you two can have sex and he'll have less sperm. You can participate of the first part by giving head or hand, but when he's about to cum, aim it somewhere where he can easily clean it, far from you and your bed linen.