You seem to have lost the connection and sense of closeness that you once had.
Perhaps arguments are becoming more frequent, maybe stemming from poor communication, issues around sex, infidelity, the kids, past trauma, or money issues. Now you are left walking on eggshells, or wondering how you can be heard and understood without things erupting into yet another fight.
If you are at a loss or if your attempts at trying to fix things aren’t working but you aren’t ready to give up, then now is the time for specialized help.