Friends after breaking up? Aries woman Virgo man

I dated a virgo male for a year. Our last few months were a little bumpy to say the least. We loved each other and wanted it to work. In the beginning everything was wonderful, we clicked. We would talk forever and about everything. We did lots of things together and complimented each others company. Any and everyone that say us knew we were happy about the other. All of our friends and family thought we were going to be forever lasting. However, there was that bumpy moment. Me being an aries wanted to believe that it was just something to push through....a challenge. For him on the other hand it was a sign of trouble. Our breakup was very difficult emotionally on both of us. He went into a type of seclusion to say the least. That really troubled me. Eventually, we decided to let it go. It was a sad moment. Fast forward a few months and he is now dating someone. Which is fine, but.....this is someone we both know. I have no issue with that at all. However, he wants he and I to remain friends. We still talk to each other regularly. He doesn't view it as an issue whereas my thoughts are that our friendship could cause problems for his existing relationship. I need a little help in understanding the Virgo mans mind here. Is it the idea of being a friend that he may not want to let go of?