Please don't take JW teaching and attribute that to the Bible, to God, and to Paul. That is unfair on all three counts. The GB is men; men who have taken and twisted what Paul said and used it for their own devices. In fact, it wouldn't surprise me in the slightest if these weak men who have applied the words of Paul in such an extreme form have done so because they fear(ed) their wives and view(ed) this as the only way to gain power over them.
In no way do true Christian men view women in the light that JW do. Women are our helpmate and equal. Without them we would be lost and listless. We are told to love, cherish, and respect our wives (Eph. 5:28, 33) which it appears a good many JW husbands don't do. It is true that, physically, women, for the most part, are the "weaker vessels". Although in pain tolerance you blow us men away. In Romans 15:1, Paul tells us who are strong to look out for those who are weak. While this is in relation to faith, I don't think it a stretch to also apply in the physical sense.
Furthermore, what's the hang up with submitting? Men submit to all sorts of people: parents, wives (this happens a lot), superiors (bosses, etc...), and others. It doesn't mean that they're better than us. So why do women/wives get the idea that in submitting it means that man/husband is better than they? The only reason to think this is because of the interpretation that self-serving men have put forward.
As a side note, look at the example of Abraham and Sarah. According to the laws and traditions in Abraham's time, he would have been justified in putting Sarah away and finding another wife due to Sarah being barren. Yet he didn't, why? Because he loved her! While Sarah did submit to her husband, there were a couple instances where she quite clearly shouldn't have (when she agreed to be his sister and not his wife).