This means you are paying for premiums with money that has already been taxed. Choosing to pay your premiums after-tax does not reduce your taxable income, but, if total medical expenses for the year reach an IRS-required level, some choose to file a tax schedule (i.e., Schedule A) to report those expenses.
Indifferently definition, without interest or concern; not caring; apathetic: his indifferent attitude toward the suffering of others. See more.
late 14c., unbiased, from Old French indifferent impartial or directly from Latin indifferentem (nominative indifferens) not differing, not particular, of not consequence, neither good nor evil, from in-not, opposite of (see in-(1)) + differens, present participle of differre set apart (see differ).