[header] How to react to a girl who's flirting with you [title] Look for physical signs that she is flirting. [step] When a girl is flirting she will often convey this through her body language. For example, a girl who is being flirtatious may smile when she is talking with you or when she first sees you. 
Other flirtatious body language to watch for includes : [substeps] Fidgeting or hair twirling. Often girls will play with their hair or their accessories when they are excited or have butterflies.