I said nothing and gave no advice , not having lived seventy-five years for nothing .<br>I knew that Doctor John 's decision was manly and right and fair ; but I also knew it was all nullified by the fact that Marcella already loved him .<br>So much I knew ; the rest I was left to suppose .<br>The Doctor and Marcella told me much , but there were some things too sacred to be told , even to me .<br>So that to this day I do n't know how the doctor found out that Marcella loved him .
The speaker is at least three-quarters of a century old.
( z1 person :ARG0-of ( z2 speak ) :age ( z3 at-least :op ( z4 temporal-quantity :quant "3.5" :unit ( z5 century ) ) ) )