2. She smiles and giggles in front of guys.
“When female friends get together, she’s loud and guffaws a lot. When she’s in front of a good-looking guy, she smiles and daintily giggles. That cannot be the same person,” describes an appalled young woman in her late teens. You can tell a lot from someone’s laughter, and your female friends will be quick to detect your fake laugh. The key is to balance things out: if you usually have a hoarse laugh, instead of creating a façade in front of men, try just toning your laughter down a bit.