You are presumed to be honest and responsible without evidence to the contrary beyond a reasonable doubt… on the balance of probablilties you are justified by 51 % likelyhood.
The right to have a defensive and offensive preemptive strike seems to be all fair in any conflict including dating. What a competitive world, maybe the UN should look at the protocols for preemption and I will check out the romantic side of life, because this classic goffyness holds no merit..