Our DD, who is 3, see's both sets of grandparents equal amounts of time each week and I know she loves them all. However, for the past year or so she has always leaned more towards wanting to spend time with the one set. She gets excited about seeing them but is very neutral about the others.
Recently, it has become more obvious (with the one set recognising that she is more into the other set). The last few weeks she has become more clingy when I drop her off at the one house, saying she doesn't want to stay and even said this morning to me (whilst no one was there) that she didn't want to go there and wanted to see the other set.
I can understand why she is like this as the ones she favours pander to her every need, buy loads of cool toys all the time and basically spoil her. The others are great with her but they are a little more the other way, ie a bit firmer, she has to fit in with their plans a bit more and don't drop everything just to make sure she doesn't get upset (which to me is part of life!).
I know there is little I can do about this. We all have preferences in life and of course from a childs point of view, the one set of behaviour is favourable to the others, as children are essentially quite selfish and want to get their own way all the time.
I just feel awful for the one set as it is sometimes pretty bloody obvious where she would rather be! I think they take it on the chin quite well tbh, so I know it is probably just me being over sensitive.
I should add that she is generally more clingy at the moment with me, when I drop her off at nursery too, where has she has never really been like before. It could be coincidental, but I am expecting another baby in a few months time, so I think there are deffinately insecurities rising up I think!