It is good to be aware of what our experience of this is, because sometimes, we believe that we aren't ready when we are. Sometimes it is possible to hold ourselves back from doing things because we don't feel ready, when we will never feel ready.
In regular day to day life, however, there are those of us who prefer to be prepared ahead of time, and those of us who thrive on leaping in. Both approaches are valid and have strengths that shine in different situations. There is nothing wrong with someone whose approach differs than yours. They do not need fixing, talking to or remediation.
In terms of understanding and honouring the relationships in our lives, it is good to remember this. A little acceptance goes a long way.