Do not know what is right

Before i giving birth last month my husband leaving me. And now he come back but i refuse for accept him again. He keep asking me about the baby and he always said he never want to leave me and baby. i just don't understand. What he really want?? he leave me when i really need him more but now why he come back again. i don't know if he really love me and bby or not . It's right for not be with him again??