Very Hard pill to swallow

We've been on this journey for 4 years from DDay and we have experienced 10 relapse of deceit from my husband as my husband is a recovering Sex addict. Today I feel extremely weak and vulnerable and I really I am tired of fighting for this marriage i feel used and abused. We did the EMS online, I attended Harboring for Hope program we have been connected to out group but not on a regular basis. My husband keeps lying about everything and doesn't expect responsibility and blames everyone and everything. I strongly feel I have done everything I need to do to keep my end of the healing journey I am tired of being treated like a doormat and not being valued. Is it safe to start the process of Divorce from this marriage. Any share will greatly help me.