The protection doesn't depend on belief, it depends on the actual presence of mutual Love. Nemesis would have to do more than make Thomas believe it, it would have to be able to produce the burn when a WV tries to feed, to maintain such a deception.
I think it would be a mistake to believe that Nemesis isn't capable of that, that's why they are such a threat. Yes, the protection depends on the presence of actual mutual love, but how do you define that exactly? True love has nothing to do with sex.. Sex can be be better with it, but you can enjoy sex without any love at all. Sex is a physical act, true love is an emotional state, one that is quite complicated.
To produce the protection effect, there has to be genuine, self-abnegating love on both sides. Sexual intercourse transfers energy from one to the other, not just fluids. If that mutual love is present, the energy from the other person will then burn a WC vampire that tries to feed on it...even if that energy came from that WV.
I remember reading that even a wedding ring of someone sharing true love will burn a WCV. Again true love doesn't depend on sex! What about unrequited love? One person can truly love another and that love isn't returned. Is that person protected? The emotion is present, so why not?
We don't have many true love examples in the books:
What about Michael and Charity, I'd say they truly love one another.. I think Malcolm and Margaret truly loved one another. I think Gard was truly in love.
So what now?
The protection can be there without sex. But when having sex with someone else, you can easily break this powerful protection that is so hard to come by. So bad cards for true love couples who prefer swinger club activities, lol.
Which makes no sense and cheapens the meaning of what true love is.. True love isn't a fragile thing, poor judgement under the influence shouldn't break it.. One can make a mistake, and the partner who truly loves that person can sincerely forgive that mistake.. Is the protection broken in that case?
Also, I have thought about this concept of true love. When is it true love instead of just love? And does that mean that not every kind of romantic love between equals is true love? What is it then? What is the difference?
I think they are intertwined, physical attraction can lead to falling in love. However one can fall out of love as easily as one falls in love, very fragile at this state. Next comes actually being in love, it's stronger, there is commitment there between the couple, often leads to marriage or cohabitation. However while it might lead to true love, it doesn't mean that the couple are in a state of true love. So what is true love? It involves a lot of tolerance for starters on the part of both partners, the ability to see beyond all the faults of the other, to see the good and want to share your soul with the other.. That might be trite crap, but that's my opinion of what true love is for what it's worth.
Ok people, I definitely was wrong. And of course I am very, very sorry. In answer to this I've been checking and I found what I quote below. I swear I was not dreaming. I am sure in some moment Jim said the Protection involved the potential for creating life (more or less like the sex magic in the books). But apparently many years ago he said another thing...and I do not if this helps us or not. Personally I am much more confused, because if True Love is, well, you know, just love, then how can it be so easily broken? I don't know, see for yourselves.
I agree Dina, true love isn't easily broken, not by a bit of unfaithfulness, because true love often defies logic. More confusing, the partner who was unfaithful may lose protection, but should the faithful one, who still might truly love the other lose his or hers?