Does a drowning person always come up for air three times?

No, a drowning person does not always come up for air three times. The notion that they do is a common myth; the reality is that a drowning person's struggle can vary greatly depending on many factors, including their physical condition and the circumstances. Some may not surface at all, while others may struggle briefly before going under. It's crucial to respond quickly in any drowning situation, as time is critical.