I'm so sorry. I don't open reed your message.
I'm sorry. If i not reply your message as i reply to you late.
I might not reply your message
I'm sorry if i don't get back to you late.
I don't have a lot of spare time as I study full time as I have problem about
I feel very tired.
I feel not confident in our relationship.
I feel you also enjoy the single life.
I have some time, to rethink everything again.