it is a tough situation, important to be vigilant yet honesty and the sharing of feelings (however ridiculous you may feel) is the most important thing. if u get to the point where u feel really paranoid and unable to voice your concerns then your in a bad place, but you seem like a laid back girl to be honest. every situation is different for every couple and the saddest thing about relationships is that only YOU know what is best to do! i learnt this only recently, u can ask for all the advice in the world but deep deep down u know what u really want/have to do...