Should I use the 'I have a boyfriend' excuse?

Should I use the 'I have a boyfriend' excuse?

Michele Hubatsek (Dating Coach) gives expert video advice on: How can I indicate I don't want a man to approach me?; How do I politely reject a man who approaches me?; What's the most important thing to look for when a man approaches me? and more...

You can use the "I have a boyfriend" or "I am seeing someone right now" excuse. The good part about it is they really will leave you alone usually. The bad part is if he sticks around and is still watching, you may have trouble when you're talking to the guy you may have seen around the corner.