PDAs (public display of affections)

公开表示情意，公开亲热

●My boyfriend is really into PDAs. I'm so embarrassed.

我的男朋友很喜欢公开亲热，我觉得真难为情。

●She is way too into PDAs. How can I tell her to stop it?

她真喜欢公开亲热，我应该怎么告诉她，叫她停止（这么作）呢？