The critique read
The friction tends to arrive when a partner reads your suggestions as critique. "Could we try…" lands, to some ears, as "What we usually do isn't enough," and once it's heard that way, this reach goes quiet, and the relationship loses one of its most generative impulses to the wrong story.
What helps
"Tell me what you've been thinking about." "I'd like to try that too." What helps: a partner who can receive small ideas without flinching, hearing the curiosity as an offering rather than a verdict or criticism. A useful image to keep in mind: when this reach finds something it loves, it wants to explore every variation of it, the way a cook who discovers a great ingredient wants to try it in every recipe. The wanting-more isn't a complaint about what's already there; it's a celebration of it. Holding that reframe — not just the words said out loud, but the way the suggestion gets received in your partner's own head — is most of what your partner can offer. "What if we tried…" is a sentence the relationship can return to over years, and that durability is exactly what this curiosity needs to keep being safe to share.