More than likely you are associating 'home' with emotions (or emotional states) from your past and which have not been fully resolved... So returning to an environment that you associate with earlier life experiences and the emotions evoked by those circumstances - well this is going to influence you to revisit and reconnect with that emotional energy. From a higher perspective - you could view the fact that you are even experiencing this as a 'reminder' that there is some inner-'work' for you to tend to, some internal 'housekeeping' which will need your attention.... The first step is fostering the awareness of why you are made to feel this way when you return home and then figuring out the connection between the emotions that surface in the present and your past history of life experiences...