I published the post yesterday, and I furiously gchatted Jacob to get him to read it.
Afterwards he told me he was a little self-conscious about it. He said it felt a little like PDA, like making out in public. I told him if it was PDA it was definitely of the appropriate and expected hand-holding variety. He said OK. Then I asked him if he liked it. And he responded.
Also, he came home insisting that I'd exaggerated about his arm length.
Well the indisputable tape of measure confirmed otherwise. The official number from fingertip to finger tip is: