Tom looked at the proffered hand and deliberated whether or not he would take it. This Mr. Wells was an extremely cheery, and open fellow, and Tom didn't know if he liked that or not, they had just met and already he was insisting on using informal names. But it would be uncivil of Tom not to accept the gesture, besides, the man did appear clean. Tom took the other man's hand in his and gave it the briefest of shakes, and then quickly withdrew his hand.
The idea of sitting was very appealing to Tom, and the bench looked very inviting.
"Shall we?" Tom had not thought much about the PDA thing, but seeing as it seemed to hold a wealth of information he might as well figure out how it worked, beyond just typing things into it.