He is an abuser, and he has possibly abused other women before. That much is clear from these texts. He exhibits so many of the classic signs of an abuser.
Notice how he always stresses that his feelings of remorse are "genuine" and sincere. "I'm genuinely sorry", "these are my genuine feelings", etc. That's actually something people who are NOT genuine often say. In the book The Gift of Fear (great book btw), the author mentions how a classic warning sign is someone who specifically tells you they have no intentions of hurting you. In the same way, someone who specifically has to tell you they are being genuine is usually lying.