He didn't know what the matter was or what shape she was in since he didn't get a good look at her yet so only helped that she didn't lash out again. but it looked like she was not minding his touch. So that made her smiles feeling her sort of rest on his chest and lap. So he just gently keeps on the soft touching feeling her calm under his touch. So Jax was happy with his purchase of Eliana and i his eyes she was the one that had the most character compared to all the others.