Before Ron had time to react, a smaller figure was launched herself at him, catching the Weasley completely off guard. However, when he caught a glimpse of the more than familiar ginger hair under his chin, Ron put an arm around who he knew to be his younger sister and rolled his eyes, even though there was, without a doubt, a bit of a smile on his face.
"Me? Just trying to avoid dying. I have low blood sugar and it's killing me," he explained, pulling back so that he could get a proper look at Ginny. "What've you been doing then, eh? Aside from running about and giving me a bloody heart attack." Because, really, how often do people throw themselves at him while he was at work?