The competition for roles as a medical science liaison is very tough, as with most non-clinical roles for former clinicians or scientists. Clinical roles are almost always easier to obtain than non-clinical, due to supply and demand.
Requiring the longest maturity time, the Guatemalan avocado needs 15 to 18 months to change from its flowering blooming period to a full harvest. On average, the tree blooms in March and April, but will not be ready for harvesting until the year after between September through January.
1 This can take a week, even two, depending on temp and how hard the avocado was when you got it.  To expedite: Place several avocados in a paper bag and store at room temperature. The fruit emits ethylene gas as it ripens, and the bag captures the gas so it surrounds the fruit effectively. This might take 3-6 days.