Therefore, when we couldn't stand it any longer, we thought it good to be left behind at Athens alone,
We could not longer forbear ...  The "we" of this clause is certainly epistolary, or editorial, the "we" standing for Paul alone.  This has been disputed, even by such a reputable scholar as Kelcy who stated that "The word from which `alone' comes is plural in the Greek, indicating that Paul meant to include Silvanus,"[3] even referring to Paul's companions as among `the writers' of 1Thessalonians.  It is true, of course, that "alone" is plural in the Greek, but Paul might very well have meant that the Lord was with him and that he was never alone (in the singular); besides, in any epistolary usage, all of the members of a sentence are in apposition with the plural "we" anyway.  Many scholars support the view taken here: