Do you trust your partner completely, or are there one or two nagging doubts in the back of your mind? Perhaps your partner has been acting out of character recently, or maybe they have suddenly started putting in more hours at work. You could be one of those people who think that everyone should be given the benefit of the doubt, or you may be the sort of person who overreacts to everything. However, infidelity is on the increase; so perhaps it is best to be suspicious of anything out of the ordinary. Now try this fun quiz to find out how much you really trust your partner...