Summary
This quote suggests that love, similar to the infectious disease measles, is more difficult to deal with when experienced at a later stage in life. Just as the older one gets, the more severe the symptoms of measles can be, the quote implies that love becomes more complicated and challenging when it arrives later in one's life. It expresses the idea that early experiences of love may be more easily managed and embraced, while falling in love later on can bring unexpected difficulties or complexities.