What to do when they text back slower and slower each time

A slowing reply pattern usually shows up in two places at once. The delay gets longer, and the message gets shorter. Look at both. If she used to send three lines after a few hours and now sends four words after a day, she is still in the conversation but giving it less room in her week.

Check what she is answering. If she only responds to the last thing you said and never picks up a thread you opened, the chat is running on logistics. If she has stopped asking you anything back, that is a stronger signal than the delay itself. People who are interested tend to ask about your day even when they are busy.

Also check your own side. If you have been sending longer, more eager messages, she may be matching the energy you set.

Your job is to lower the cost of answering. Match her length or go one notch shorter. A long message asks for a long answer, and she may not have one in her today.

Pick one thing she said earlier and bring it back in a single line, so she can see you were paying attention without you explaining why it mattered. Then attach one question she can answer in a few words, such as a choice between two options or a yes or no on a specific plan. Open questions about how she is doing give a tired person too much to write.

Do not add a second question, an apology, or a note about how busy you are. Each extra piece is another reason for her to leave it for later.

Once you have sent one clean message, let it sit. A reasonable wait is about a day for a casual thread, longer if she has mentioned a rough week. Checking your phone every hour turns her slow reply into your full attention, and she will feel that pressure even through text.

If she answers, match her pace back, not your old pace. If she does not answer, send one follow up at most, and make it lighter than the first, with no guilt and no 'just checking.' Then leave it alone.

Stop when two clean messages in a row get nothing back, or when her replies arrive days apart as a single word. The thread has answered your question by then, even if she never says so.