No one else was home at Chris' house, and they went into his bedroom and shut the door. Alex grabbed at his pants, which were falling down around his legs. "We're smaller!" It was true - both he and Chris had shrunk several inches. It was more than just shorter legs - they were more the size of 14 year-olds.
Chris grunted and stepped out of his pants and underpants, then tugged off the shirt that was bagging around him to stand naked in front of the mirror. He was still recognizable, but only in the face and head. The rest of his body was more monkeylike. After a moment, Alex pulled off his clothing and stood next to Chris. They stared at their reflections, and Chris draped a long, furry arm around Alex's shoulders and hugged him. "Looks like we are going to be pretty much the same."
Alex nodded. "My upper body looks to be changing faster! I am almost as changed as you are now!" They could both see fur spreading visibly over Alex's chest, and Chris grinned. "We are becoming twins! You are changing to match me! It must be the physical contact!" He did not let go of Alex, though. Alex watched a minute more, then shrugged and hugged his friend back. "Might as well be brothers!"