[ Later, when he looks back on this day and recognizes that he wasn't entirely himself, it'll still bring him pause in ways their fake engagement never did. He wasn't himself but also he was and he can't really argue that point. They are good together. Ianto may be the best friend he has in prison, the best friend he's ever had and that's a weird thing to think about for a guy like Spike. There's something here. Something he doesn't want to examine too closely and something he doesn't want to lose.
Damnit. ]
You really are incredible. [ He says with so much adoration it damn well hurts. He takes a moment to smooth down Ianto's hair with gentle touches, like he's handling the most precious thing in the world, before leaning in to kiss him. ]