Herbert's progressed to leaning as far forward as he can without actively wrapping his arms around Jasper's humanoid torso because he doesn't want whiplash from all her charging about and rearing but he also doesn't want her to beat him up once he escapes her back.

"Then we need a way to scout ahead," he says, sounding somewhat strangled. "If we can't break through, Syr has the only feasible idea!"