They’re always talking about what is wrong between the two of you rather than focusing on what's right. They’re always cribbing and picking up fights based on things that have happened in the past instead trying to rectify their mistakes.
8. They often talk about wanting to be free even though you’re not really binding them.
You haven’t made a till death do us commitment and they’re free to leave, you might not even be too pushy and give them their space and yet they complain of being suffocated and feeling tied down.
If this is the case maybe you should let them go before you’re too deeply involved!