Why don't you simply submit your intellect and will to the magisterium and be done with it?This was already explained to you. Because the Magisterium hasnt spoken on every issue. In fact, your very own question explained it. You asked Really? Even if the Church hasn't spoken... So, one does not submit his intellect and will to the Magisterium when it hasnt issued anything to submit too.
Im amazed you find this concept difficult.
patent +AMDG
100 The task of interpreting the Word of God authentically has been entrusted solely to the Magisterium of the Church, that is, to the Pope and to the bishops in communion with him.
Now define "solely" and tell me where you fit in.
Let me repeat:
Now define "solely" and tell me where you fit in.
You will note it makes no difference whether the magisterium has spoken or not. you are not trusted to interpret the Word of God!