猫喜欢蹭人腿是啥现象？

公司附近的一只猫，因为周围以前是农田。猜测农民搬迁时候丢下来的
周围有蛇，有刺猬，各种鸟，还有兔子，有时候也给它剩饭。是不缺吃的
其中一只猫，每天饭点蹲办公室外面
见人来了就跟着跑
你停下来，就往你腿上蹭
随便拍了几张

[img]https://img.nga.178.com/attachments/mon_202008/06/-7knvQ5-1teoXbZ34T3cSqo-zk.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202008/06/-7knvQ5-9ckgXdZ3nT3cSzk-qo.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202008/06/-7knvQ5-7u4oXdZ3nT3cSqo-zk.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202008/06/-7knvQ5-elogZ2qT3cSqo-zk.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202008/06/-7knvQ5-bm2XcZ3gT3cSqo-zk.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202008/06/-7knvQ5-7w6jXeZ3wT3cSqo-zk.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202008/06/-7knvQ5-3fecK2kT3cSlc-sg.jpg.medium.jpg[/img]
还有只阴阳脸的，很高冷