Hmm, it's so big that it's grinding against my innermost parts... Ellen, I should continue slowly sliding my meat up and down for him, yes?

Yes, you are quite skilled at this, my Lady. It's hard for me to believe yesterday was your first ride. If it were I who were trained this way by my Lady's noble body, my virgin-until-yesterday large prematurely ejaculating horse penis would be unable to endure it and would ejaculate right away, you know.