That's quite true, but on the other hand, we have to think of our priorities.
那很有道理,但我们还必须分清轻重缓急。
Every couple is not a pair.
同床异梦,貌合神离。
It was not forced upon them by the survival competition; they could have caught and lived on prey without using poison, just as the thousands of non-poisonous snakes still do.