The honeymoon phase: the calm before your insulin needs climb

Not long after a Type 1 diagnosis, a lot of people hit a strange and deceptively calm stretch where diabetes feels almost easy. The numbers behave. A small amount of insulin seems to go a long way. And then, weeks or months later, it shifts, and suddenly the same breakfast sends you high and you need noticeably more insulin to cover it. If that change has thrown you, or quietly frightened you, it is a normal and expected chapter of Type 1. It has a name, and it is not a sign you have done anything wrong.

What the honeymoon phase actually is

When Type 1 is diagnosed, the immune system has already damaged a lot of the insulin-making cells (called beta cells) in the pancreas, but usually not all of them. Once you start insulin and take the pressure off, the survivors often get a second wind and keep producing some insulin for a while. Your injected or pumped insulin is quietly being topped up by your own body, so you need less of it and your glucose sits in range more easily. This stretch is called the honeymoon phase, or partial remission. Lots of people have one; some barely notice it, and a few never really get one at all.

Why it feels good, and why that can catch you out

The ease is genuine, but people in Type 1 communities often describe it setting them up for a shock. You start to feel like you have got the hang of it, and then the ground moves. It helps to know that in advance, so the change lands as expected rather than as a personal failure.

There is a second thing people mention about this phase: lows that seem to come from nowhere. Because your own pancreas is still firing in an unpredictable, part-time way on top of your doses, hypos (low blood sugars) can turn up without an obvious reason. If you are getting unexplained lows early on, you are not imagining it, and it is worth flagging to your team.

When it fades

The honeymoon does not last, because the underlying immune process carries on and the remaining beta cells gradually stop working. As they fade, your injected insulin has to do all the work your body was helping with, so your needs climb. For some people that is gradual; for others it feels sudden, which is why forums fill with posts like “my insulin requirement has doubled, help”. How long the whole phase lasts varies enormously, from a few weeks to a couple of years, and there is no way to predict your exact timeline. Illness, growth spurts in younger people, stress and the simple passage of time can all nudge the change along, which is another reason two people diagnosed the same week can have completely different experiences of it.

Needing more insulin is not you slipping

This is the reassurance worth holding onto. Rising insulin needs are not evidence that you have become careless or lost your way. They are the expected course of the condition, the next chapter rather than a step backwards. There is no shame attached to how much insulin someone uses; it reflects how much help their own body is still giving, and that is not a matter of effort. Many people describe a small grief when the easy phase ends, a sense of the training wheels coming off, and that feeling is valid too.

This is a conversation with your team, not a solo fix

The important practical point: when your patterns start shifting, a breakfast you used to handle now spiking you, more insulin clearly being needed, lows changing, that is the signal to talk to your diabetes team. Changing insulin during and after the honeymoon is something they work out with you, looking at your readings together. It is never something to calculate off a number on your own, and there is no formula to copy. Your team expects this phase and knows how to help you move through it.

One safety note that always applies: if your glucose is high and you feel genuinely unwell, check for ketones (in blood or urine) if you can, and contact your diabetes team or NHS 111. A high ketone reading is itself a reason to seek urgent help.