When you've worn a straitjacket for so long, you don't realise how hampered you are.
We get used to our circumstances and to the restrictions that may be on us. We get used to doing things the way we've always done them. It isn't until someone new comes along who questions the way things are being done that we might see our way to a new freedom - if we're prepared to listen.
Unfortunately, we sometimes decide to cling on to the straitjacket because we have grown comfortable in it. Anyone looking in from the outside finds it difficult to understand why you're not delighted to divest yourself of the straitjacket and relish the new freedom of movement.
Doing new things can be scary, but staying as we are is stagnation.