All accounts including those which are not yet due for payment will become due and payable in the event of any default in your effecting payment of any amount due. Our indulgence or forbearance or time allowance that may be granted to you whether with or without our consent shall not in any event constitute a waiver of or otherwise affect or prejudice our strict rights to recover any amount that is or will become due and payable by you under any of your account with us.