If you love someone who keeps everyone at arm’s length — or you are that person, and you have started to wonder — the honest answer is more hopeful than the internet suggests, and more demanding.
Short answer: yes, the pattern can change, and it is a learned pattern rather than a life sentence, whatever you have read. The change is quieter and slower than a switch flipping, and easy to miss if you are waiting for a dramatic turnaround.
Real change shows up in small, repeated things: staying present in a hard conversation instead of going cold, coming back after pulling away, repair after withdrawal, a consistency you can feel rather than hope for. This is what avoidant to secure actually looks like in practice, and the book maps what moves the pattern and what only softens it for a while.
Insight alone rarely moves it; a single emotional breakthrough that fixes everything is the sign people wait years for and rarely get. Change also has to be wanted by the person changing. If you are the partner, your steadiness can support it, and it cannot substitute for it.
Track behaviour over a season rather than feelings over a week. Did they stay? Did they come back? Did they say what they needed instead of disappearing? Three months of that tells you more than any promise.
Go deeper
The Dismissive Avoidant maps the whole pattern from both sides — how the fortress was built, what it protects, what it costs, and where the door is — with 179 real questions answered.