Examples:

• It's not just puppy love, you know, it's different.
• What is it with you two, some kind of puppy love?
• That's not puppy love.
• Puppy love, you understand,... childish but it could be very expensive to you and me.
• What is it with you two, some kind of puppy love?
• Maybe he's getting a little more than puppy love.
• It could be a case of puppy love.
• It could be a case of puppy love.
• And from everything I read, it was just puppy love.
• They're just, you know, puppy love.