The first time Jim heard Spock sneeze he nearly jumped out of his skin and clutched his heart, then after a few seconds puts his hand on Spock's shoulder and smiles. Spock snuffles and blushes very hard. Jim's more used to it now and finds it funny.
Answer:
OMG this is so cute!!! Can you guys imagine the Spock snuffles though???!!!! It would be absolutely precious!!!<333