If someone said to me, "You're not putting enough effort into this relationship," I would respond with openness and a willingness to understand their perspective. Here's how I might respond:
"I'm sorry to hear that you feel that way. Your feelings are important to me, and I want to understand better where you're coming from. Could you please elaborate on what specific areas or actions you feel I haven't been putting enough effort into? I value our relationship, and I want to make sure we are both on the same page and feeling fulfilled. Let's talk about it, and I'm committed to working together to improve our connection."
In this response, I acknowledge their feelings, express a willingness to listen and understand, and open the door for a constructive conversation about the relationship. Communication is crucial in any relationship, and addressing concerns openly can lead to better understanding and potential improvements.