The honeymoon period

Why your numbers might feel easier for a while

During the honeymoon, your own pancreas is still pitching in. It releases small amounts of insulin, and it does this in the way a working pancreas does: responding to what you eat and how your glucose is moving, moment to moment. That background help can smooth out the peaks and dips, so the same meal or the same dose lands more predictably than it did at diagnosis.

For you, that can mean fewer surprises and sometimes lower insulin doses. Some people even have hypos (low glucose, generally below 4 mmol/L) if their injected insulin plus their own insulin adds up to more than they need. That is worth flagging to your team, because it usually means a dose can come down. It is not a reason to skip insulin on your own.

Why a low can turn up hours later, including overnight

The extra help from your own insulin during the honeymoon means hypos can show up when you are not expecting them. Anything that moves glucose down, and exercise is the big one, can keep working long after you have finished. A walk, a gym session or a busy shift can leave your glucose dropping several hours later, and often overnight while you are asleep. Your own insulin plus your injected insulin plus the after-effect of activity can stack up quietly.

So the low you need to plan for is not just the one during or straight after. If you have been more active than usual, it is worth checking before bed and being ready to treat a low overnight, and telling your team if you are dropping at night so your doses can be looked at. A delayed low overnight is the one that catches people out, because you are asleep and not watching for it.

It fades, and that is expected

The honeymoon ends because the immune process that caused your type 1 carries on quietly in the background, and the last insulin-making cells stop working over time. There is no set date for this. For some people it is a few weeks, for others many months, and for a smaller number it stretches past a year. It tends to taper rather than switch off.

What you will usually notice is that numbers that were steady start creeping up, and the doses that used to work stop keeping up. This is the phase doing exactly what it does, not you slipping. When it happens, your doses need to rise to cover the gap your own insulin is no longer filling, and that is a review with your team, not a personal failing.

Don’t stop insulin because things look calm

This is the part that catches people. When numbers look good and doses are small, it can feel like the insulin is barely needed. Stopping it, or quietly skipping doses, is where the honeymoon becomes dangerous. Your own insulin supply is running down the whole time, and without injected insulin behind it, glucose can climb fast and you can drift towards DKA (diabetic ketoacidosis, a serious emergency where the body burns fat for fuel and the blood turns acidic).

So the aim during the honeymoon is not to prove how little insulin you can get away with. It is to keep taking it as agreed, keep checking, and let your team lower doses properly if your numbers show you need less. Coming back to insulin after a gap is a normal thing to do, and your team would far rather help you restart than have you manage low numbers alone.

What changes the honeymoon from person to person

There is no standard honeymoon. How long it lasts and how much it lowers your insulin needs varies with how much of your own insulin-making capacity survived to diagnosis, and how the underlying process behaves in you. Being unwell, fighting an infection or going through a stressful stretch can push your numbers up temporarily even mid-honeymoon, which can look like the phase ending when it is not. Because of all this, nobody can tell you how long yours will run, and anyone promising a timeline is guessing.

What this can look like

Examples, not instructions or doses.

Worth paying attention to

Questions that make an appointment useful

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