After suffering a defeat, becoming demotivated isn’t abnormal, especially when that defeat renders an entire vision obsolete. Up in smoke, in an instant.
Sometimes, the hunt is sweeter than the kill. When we live up to a specific moment with high hopes, the level of excitement fuelled by expectations can be pretty powerful.
Until we draw the short straw.
When (feeling) defeated, the way to deal with it is rather binary. Wallow in (self-)pitty or brush that dirt off your shoulder and move on to the next.