Kevin had been multitasking - keeping an eye on his journal to see if Drew had responded while he folded laundry and put it away. Either the house elves had been instructed not to fold the Muggleborns' laundry, or Kevin had committed some mortal sin against their kind in the last week or so. Although he tried to keep an eye on both the journal and his four grey button-down shirts, it would have been clear to an outside observer which had his attention: the last several pairs of socks Kevin had put away each didn't match.
When the rendezvous venue was set, Kevin grabbed a hoodie and left Ravenclaw Tower as nonchalantly as possible. Heaven knows what the Death Eaters would think of Kevin meeting up with someone in an area of the castle that was off-limits in the best of times.
Reaching the odd statue that he had never looked twice at until now, Kevin spied the diminutive Hufflepuff fidgeting underneath it.