話はなしに花はなが咲さく

expression, godan verb (-ku)

have a lively conversation; reminisce; talk enthusiastically

Used when a conversation becomes animated and enjoyable, often because the participants share common interests or memories. The image is of flowers blooming in the talk.

• 昔むかしの話はなしで話はなしに花はなが咲さいた。

  We had a lively conversation reminiscing about old times.

• 趣しゅ味みの話はなしになると、いつも話はなしに花はなが咲さく。

  Whenever the topic turns to hobbies, the conversation always gets lively.