Marriage help

I don’t know how to explain except to say my husband is very selfish and emotionally cold and shut down. Shortly after our second daughter was born something change very abruptly and he shut down changed into a selfish cold distant person. I was a stay home homeschooling mom and wife so I had no way to live no family few friends (no time) long story short he’s cheated neglected me and no matter what I do I’m so unhappy I have no where to go there’s no way to support myself I don’t know what to do I keep trying to just be a good wife and take care of our home and him I try to not need love or attention or companionship but I’m so hurt and confused have tried to talk he just dismisses whatever feelings I express. I need help at this point only God can touch his heart and maybe soften it. He cheated on me not exactly physically but by texting with women who sent him muse pictures he lies and I’m 57 I don’t want this to be my life for whatever time I have left please ask God to help my husband to care about me even a little and for me to be able to forgive and be stronger I’m not depressed I’m just in a very unhappy marriage with no more options but to wait on God to show me what to do. Thank you in advance for caring enough to pray.