It's a bit of a sensitive subject, but...

Meaning

Warns the recipient of the topic's delicacy.

Examples

• John: So, how's your family?
• Alice: <b>It's a bit of a sensitive subject, but</b> my parents are going through a difficult time.
• John: Oh, I'm so sorry to hear that. Is there anything I can do?
• Alice: Thanks for asking. Just being there for them helps. <b>It's a bit of a sensitive subject, but</b> I appreciate your understanding.