An Alarm at Six and Ninety Minutes

A couple writes with a specific problem. They want an evening together, they have one free night, and on the morning after it one of them has to be somewhere at seven. The instinct is to book an hour instead of two, on the grounds that a shorter evening is a safer one. It is not the only option and often not the better one.

What an early start actually costs

Work it backwards. An alarm at six means asleep by half past eleven at the outside, and realistically by eleven if the day ahead involves talking to people. Fifteen minutes for a shower afterwards, and a stretch of doing nothing that should not be rushed, which is another twenty. That puts the end of the session at about ten.

From an eight o'clock start, that is two hours. From a nine o'clock start it is one. And the start time is not fully yours: it depends on when the programme releases the working partner and how long it takes to get back.

The two levers

Most couples reach for the length, because it is the number in front of them. There are two levers, though, and the other one is the shape.

One therapist between the two of you means the evening lasts as long as the booking: she works with one partner at a time while the other stays close, so ninety minutes of session is ninety minutes of clock. A therapist each means the two sessions run side by side, so the same ninety minutes occupies about forty-five minutes of the evening.

Put that against an early start and the arithmetic changes. A nine o'clock start with a therapist each still ends before ten. The same nine o'clock start with one therapist between you, at ninety minutes, ends at half past ten and eats the buffer.

The money, plainly

A therapist each costs exactly twice what one therapist between the two of you does, and the ratio does not bend as the booking grows longer. Seen from the other side, one hour of parallel sessions and two hours of a shared therapist come to the same total, so the real question is whether the evening is short of time or short of nothing.

So the shape lever is the expensive one and the length lever is the cheap one. Which of them to pull depends on what the evening is for. If the aim is an unhurried evening and the budget is the constraint, cut the length and start earlier. If the aim is to keep the length and the clock is the constraint, change the shape. What does not work is keeping both and hoping the programme finishes early.

Starting earlier is underrated

The third option gets overlooked because it feels like giving up the evening. An hour at seven, ending at eight, leaves the two of you free for the whole of the rest of the night with nothing queued behind it.

On a trip where the days belong to other people, an evening that finishes at eight and leaves a couple sitting somewhere at nine in a considerably better state than they were at six is not a compromise. It is a different and often better evening than the same booking at half past nine with an alarm in the corner of it.

The overrun problem

Whatever hour you choose, leave two hours between the end of the programme and the agreed time, and three if the schedule has a record of running long. That absorbs a twenty or thirty minute overrun without a message having to be written on the night.

If it does overrun past that, write in the thread as soon as you know. Moving the start later on the same evening is usually straightforward, and the arrival window of forty to sixty minutes from confirmation means a message at half past eight can still reshape a nine o'clock knock. What cannot happen is extending the finish to make up for a late start, because the hours after the booking are not held for you.

Deciding before rather than during

Write the length into the thread. A session that stops early stays payable for the time reserved, because those hours were held and cannot be offered elsewhere at that point in the evening. So a length agreed in advance is simply the booking, while a length abandoned at the halfway point is a cancellation with the full fee attached. Knowing that in advance is what makes the ninety minute decision an easy one rather than a hopeful one.