So I'm seeing this guy and he looks just like my sons dad and sort of acts like him what's wrong…

So I'm seeing this guy and he looks just like my sons dad and sort of acts like him what's wrong with me :/ it's like I really like this dude but when we are together it almost feels like my old relationship and a big part of me already doesn't trust him because of how my ex was any of you ladies go through something like this I'm just not ready for my heart to be broken again