[MitzaLizalor]

The idea of a Patriarch themed blind banking portfolio sits very well with Adam's circumstances. Land ownership is clearly a part of God's plan and part of the security held by responsible banks. Adam's portion would have been 100% of 11½ million sq. miles – which would be unimproved land for most of his life. Prior to the fall, real estate was in perfect condition and didn't need improving but that didn't persist once plants began sprouting thorns, rainfall became erratic and pestilential effects were established. That must have been almost immediate because otherwise Adam could simply have moved somewhere the plants had not changed or where animals didn't want to eat him or where no poisons existed.

As the Patriarchs dealt with all that they did live longer, from Adam at 930 to Methuselah at 969, an increase of 39 years. Once the land problem was addressed. Sin has increased a lot now and lives are much less but a 39 year difference (from 69 to 108, say) would still be noticeable. Even a difference of 5% would be significant.