How to reply when she says she's busy with nursing shifts

Look at what she chose to mention. Someone who says "I'm on nights all month" is giving you a reason for slow replies before you have to ask. That tells you she thinks about the gap and doesn't want you to read it as a loss of interest. It's a courtesy and a signal that she'd like to keep talking when she can.

Pay attention to the tone of the sign-off too. "Going to crash now" or "I'll message when I surface" means she's planning to come back. A message with no next step and no warmth is different, and worth matching with a light touch rather than chasing. Nursing rotations are often tied to set blocks, so a month is a real boundary, not a vague excuse.

Your reply should do three jobs. It should acknowledge her schedule in one line so she knows you heard it, keep the energy easy enough that a reply costs her nothing, and leave one small hook she can pick up whenever she surfaces. A question she can answer with one word works better than an open one about her week.

Avoid making her do the work of managing you. Don't ask what her plans are for after the block, and don't lock in a date. Mentioning that you'll be around and happy to hear from her when she's free does the job without pressure. The aim is that a short, unpressured message is the easiest thing in her inbox to answer.

After you've sent something, leave it. On a nights block she may be sleeping through the day, so a message sent at midday might not get seen until evening, and a reply might come a day or two later. Wait at least two days before any follow-up, and time it for when she'd plausibly be awake, mid to late afternoon or early evening.

If you get no answer after one follow-up spaced about a week apart, let it rest. Silence during a month of shifts doesn't always mean she's lost interest, but it does mean she's out of capacity. Stop there, and if she comes back when her schedule clears, respond warmly without bringing up the gap. If she never returns, that's your answer.