Ask anybody to name the decisions that made their life what it is and they can give you five or six without hesitating. Large ones, carefully considered, taken deliberately after weighing everything. And every one of those answers is misleading, because the actual shape of a life was not made by any of them. It was made by several thousand small agreements that were never experienced as decisions at all.
A yes here because it was easier than the conversation a no would have required. A role taken on temporarily which quietly became permanent while nobody was watching. A thing agreed to once, which set a precedent, which became an expectation, which became a duty that could not be questioned. None of these felt like anything at the time and none would have been worth mentioning to anybody.
Together they are the whole structure. And so a person ends up with a great many commitments, most of which mean very little to them, and each of which is attached to somebody who would be genuinely hurt if it were put down. That is not a complaint. It is simply an accurate description of where the years went.
How they become permanent
Nothing ever announces itself as permanent, and that is the whole of how it works. The first time something is done for somebody it is a kindness and is received as one. The fourth time it is a habit that both have noticed. By the twentieth it is simply what happens, and by then it has stopped being visible to anybody, and it is invisible precisely because everybody now relies on it.
To stop is therefore not to decline something. It is to withdraw something that people have arranged their lives around, which is a much larger act and will be received as one. It will be read as a change in the person rather than as a change in an arrangement, and there is no explanation that will make it read otherwise.
So the exit closes slowly and without anybody's intention or malice. There was never a day on which saying no would have been difficult. There was simply a very long series of days on which it was slightly easier to say yes, and slightly easier is enough when it is repeated for twenty years.
Integrity is the trap
Here is what makes it worse for the kind of person this happens to most often. The people who accumulate the heaviest loads are usually the ones who take commitments seriously in the first place. If a promise genuinely means something, then every promise stays live indefinitely, regardless of whether the circumstances that produced it still exist anywhere.
Taking commitments seriously is not purely a virtue however much it is praised as one. It means honouring agreements made without fully knowing what was being agreed to. They get honoured for decades, at real cost. The alternative would be to become somebody who does not honour things, and that is not an available option for the people who carry these loads.
So they travel lighter only by taking on fewer new ones. The old ones remain exactly where they are, doing exactly what they have always done, and they will be there at the end. That is the arrangement and arguing with it does not help.
What is actually being carried
The question worth asking is not how to get out of these, because mostly nobody intends to get out of them. It is a different question, which is what they were actually for, and whether the thing they were serving was ever wanted in the first place.
A surprising number of them trace back to an image that was being maintained, or to a fear of somebody's disappointment, or to an idea about who a person was supposed to be that they did not choose and had never once examined. Very few of them trace back to anything anybody would recognise as their own. That is not a pleasant discovery and it takes some time to sit with.
Freedom from them is not coming and most people stop wanting it, because there is something worse than a heavy load and that is being the sort of person who sets one down the moment it becomes inconvenient. What can be done is to stop adding, and to notice at the moment of agreement rather than eleven years afterwards. That is a small change and it is the only one available.