means that
If something is easily obtained, then you are less worried about losing it, so you might lose it soon; Something that arises suddenly is likely to disappear just as suddenly.
similar
Easy come, easy go. Lightly come, lightly go
proverb
means that
If something is easily obtained, then you are less worried about losing it, so you might lose it soon; Something that arises suddenly is likely to disappear just as suddenly.
similar
Easy come, easy go. Lightly come, lightly go