Two blondes rented a boat

Two blondes rented a boat and fished in a lake every day.

One day they caught 30 fish.

One blonde said to her friend, “Mark this spot so that we can come back here again tomorrow.”

The next day, when they were driving to rent the boat, the same blonde asked her friend, “Did you mark that spot?”

Her friend replied, “Yeah, I put a big ‘X’ on the bottom of the boat.”

The first one said, “You stupid fool! What if we don’t get that same boat today!?!?”