3 months into separation - need a male perspective

Hi Guys, My husband and I split up about 3-4 months ago. I am devastated. My main reason for posting in the male section is I want to know what you guys are thinking and doing at this stage in a break up. I am home with our daughter who he only has 1 overnight each weekend and I know he's now going out all the time and goes to the gym every day and to me (whilst I am stuck at home with child) he seems to be having a fantastic time in his new life. Do you guys think about your exes and are you just keeping busy to help yourself get over things or is he just really callous and seemingly unfeeling toward me and our daughter. We used to be so close, constant contact via messages and phone calls and now when I text him he doesn't even respond. In the first 2 months he would always respond and let me know how he was feeling even it was anger or hate toward me, but now its nothing and it hurts more than his hateful words. Has he well and truly moved on (he's on dating websites etc) and doesn't think and care about me anymore...or what? I'm so confused. Not less than 10 days ago he sent me a text asking me what I would do if he said he wanted to come back.... Please guys, if any of you can respond as to your mindset and feelings if you were in this position ever it would be appreciated. I know its probably easier to move on and get on with my life not knowing what he thinks and feels, but I would at least like to know if he has some semblence of humanity in him and has a little bit of feeling toward me after 6 years of marriage and a child.....perhaps I'm ever hopeful.... Thank you

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