Two sides to every story but as others suggested, start over with a different instructor & see how that goes...
If she didnt teach you to clear your mask, clear water from your reg, before dropping down to 12 feet, what skills was she teaching you? Was this a pool session?
If she didnt teach you to clear your mask, clear water from your reg, before dropping down to 12 feet, what skills was she teaching you? Was this a pool session?