Should we keep Martin away from Cassie?

Sean and I have a friend called Martin, who keeps hitting on our friend, Cassie. Cassie isn’t interested in Martin, but Martin’s been in unrequited love with Cassie for eleven years. He’s always coming onto her and she’s given him no encouragement. She turned him down when he confessed his love eleven years ago and she ignored all his multiple long messages about himself. None of which made sense and all of which were super long. Should we keep him away from her in group activities? I don’t want to make her feel compromised.

Should we keep Martin away from Cassie?
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