Heartbeat moments: how girls' liking for boys accumulates little by little Heartbeat moments: how girls' liking for boys accumulates little by little Heartbeat moments: how girls' liking for boys accumulates little by little Heartbeat moments: how girls' liking for boys accumulates little by little Heartbeat moments: how girls' liking for boys accumulates little by little Heartbeat moments: how girls' liking for boys accumulates little by little Heartbeat moments: how girls' liking for boys accumulates little by little
