Every manager has different opinions and all you can do as a player is try to fight and get your spot back, or at least earn your manager's trust back to try and get your spot back. There's no use sulking about it, you just get on with it and try to raise your game to get back to the level you need to be when you were starting.
I couldn't really tell if it was a different childhood because I was used to it, it was kind of normal to me. The only time I remember it felt a bit odd was when I went to other people's houses and they were calling people 'dad.' I wouldn't get that. But my uncle, who also lived with me, was a father figure.