Damn, answering this question is far tougher than I expected. I love slow songs, I love mid-tempo songs, I really like fast songs too, all for obviously very different reasons. The slow songs I enjoy feel very heavy and epic, the fast songs I enjoy are mostly for the adrenaline they create in me. However, the last twelve songs I've written are all mid-tempo-ish, and that's unintentional. I think mid-tempo is what feels most natural to me, kind of? Stable, yet super flexible. Mid-tempo it is, then.