Is it possible to get back with the mother of my kids after she got into a new relationship?

I won’t go into too much detail here but, the mother of my 4 children and I broke up about 10 months ago, we were together for 7 years, and despite the breakup we’ve been seeing each other and having sex, going out etc. fast forward to August 1st and she’s in a new relationship, I’m hurt and I’m distraught, she told me that we’ve been broken up for 10 months so it should be easy for me, but it’s not easy because for those 10 months we’ve been involved with each other and I’m only just now feeling the breakup. So my question is, is there still hope to get her back? Are there any people here who have been in a similar situation who have had some success in getting the mother of their kids back after she got into a new relationship? I need advice on how to cope, cause as things stand I feel like I’m losing my mind. Thank you!
Is it possible to get back with the mother of my kids after she got into a new relationship?
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