My ex added me on snap an fb

Me an my ex had a bad break up involving us physicaly fighting an me losing a baby an I unfollowed him on instagram an he was still following for like some months after until I blocked him an now he sent a friend request on fb an liked some pics, plus while I was pregnant his new gf an I got into a argument on snap an ive recently seen her pop on my phone (snap sends you a notification when someone is typing) but nothing never came an I blocked her idk how to feel about this 😓😓😓