她结束了这段关系，因为他变得越来越有占有欲。

She ended the relationship because he was becoming increasingly ___possessive.

当她的男朋友开始表现出占有欲和嫉妒时，她感到很惊讶。

She was surprised when her boyfriend started acting ___possessive and jealous.

他占有欲强的行为，比如不断要求知道她的行踪，是一个重要的危险信号。

His ___possessive behavior, like demanding to know her whereabouts constantly, was a major red flag.