:big laugh: none... you know your wife - stay in her good graces.the 'better to ask forgiveness, then permission' theory. How many women does that actually work on?? Just curious....
however I do agree with the whole adding to safety. maybe you could sell it to her by saying something like "but honey it was cheaper than increasing my life insurance policy... you do want me to be safe out there don't you" :thumbsup: