Hi, you don't think that these problems are overshadowing the whole relationship do you? Maybe taking on a life of their own?
Do you think it might help to briefly step away from them to find that spark you had before. Just be you two together without the issues lingering either in the communication or in the back of your minds.
I'm thinking maybe just set aside a day/half a day together (agree no mention of the issues) and just enjoy being together. Perhaps do something you haven't done in a long time which you once did or just anything else "fun" that you're not used to doing. Depending on what you like/what's in your area e.g. fun fair, day trip, ice skating, boating, day at the seaside, going to a disco or a gig.
Something that's going to make you hold hands, smile together, laugh together, connect, be yourselves together, let go. And you might be able to see the parts in each other that have nothing to do with the issues, the parts that might have slipped into the background, the parts you've loved/love about each other.
It might all seem a bit strange/standoffish at first but if you can relax into it, remember how much you loved/love each other...........??
And at the end of it just talk about the positive things, maybe have some closeness or intimacy going or rather let that flow.
Of course you may still need to work through/get help with the issues but if you could intermingle that with just trying to be yourselves together??
Alison