Secondary love is like a husband paying a man to give his wife a kiss.
Secondary love does not get involved.
Secondary love keeps our comfort and convenience intact.
Secondary love feels good about itself.
Secondary love is not bad in itself (and missionary work depends on it) but must never be at the expense of Primary love.
Primary love is like a man giving a beggar a cup of coffee and a smile.
Primary love gets involved.
Primary love risks our comfort and convenience.
Primary love is unconditional.