Send a text message on your cell phone saying you're sorry.

It should be that your boyfriend is not convenient to answer the phone and has set up an automatic reply.

Personal advice:

Since you can't contact him right away, you don't have to keep calling and doing nothing, and you don't want to guess whether I didn't answer the phone on purpose or something really happened. This is purely embarrassing for yourself, and there is no benefit except making yourself think.

2. It's best to send a text message directly, indicating that you can't get through to your boyfriend. I don't know what happened. I was worried, so I asked my boyfriend to call me back at his convenience. I believe that a reasonable partner will get a response faster than a hysterical partner.

3. Finally, analyze whether this happens frequently or occasionally. If it only happens occasionally, and you don't have anything very urgent to find him, I suggest you don't get to the bottom of it, whether it's business or personal at that time. You should know that even couples need their own space. As long as he can give you a legitimate reason, your understanding and tolerance will win more love from the other side. However, if this happens frequently, it is necessary to analyze the specific situation: a. If he is inconvenient to answer the phone often and is indifferent to the relationship between you, he should be alert to whether there is something wrong with your feelings; B, if he usually takes the initiative to contact you and care about you except when it is inconvenient to answer the phone, then you just need to put on an attitude and say that what you can't accept is that he can't contact you suddenly, especially when this happens frequently. I hope the other party can promise to say hello in advance before something happens next time, so you won't worry about him at random. That's how he respects you.

As long as both sides can communicate rationally, I believe any problem can be solved.