How did Douglas overcome his fear of water?

Douglas was determined to overcome his fear

of water as his fear was depriving him of all the joys of boating, fishing and canoeing. He took swimming classes for months. The instructor made him practice a lot. He was various swimming skills. He practiced for hours, every day.

A little bit of his fear decreased after taking those swimming classes. Douglas wasn’t finished with the swimming classes. He went to different lakes to try his swimming skills. He swam from one shore to another without any help.