Fibe, Questions..

Im thinking of ditching bell tv after 5 years. Love the service, prices are good but sick of satellite tv losing signal in bad storms. The new Fibe tv service is available in my area.I currently have the fibe25 internet. Ive read that its a max of 4 set top box's. My question is i have 5 tvs. I want to change to fibe tv and i obviously want to watch my 5 tv's so i need 5 set tops. The most set top box's that will ever be on at once is 4 ( 3 sd and 1 hd). Now is it possible to get a 5 box install in this case? the 5 tvs will NEVER all be used at once. Unfortunately this is a deal breaker for me.. I need the 5 tvs or ill have to either settle for bell tv or make the swap back to robbers. I'd call be all ask but i already know ill call 5 times n get 5 different answers so i always come here first

Thanks in advanced folks.