I remember a hundred lovely lakes and recall the fragrant breath of pine and fir and cedar and poplar trees. The trail has strung upon it as upon a thread of silk opalescent dawns and saffron sunsets.
Trust your gut instinct over spreadsheets. There are too many variables in the real world that you simply can't put into a spreadsheet. Spreadsheets spit out results from your inexact assumptions and give you a false sense of security. In most cases your heart and gut are still your best guide.