You should talk to her and explain that marriage is not a joke. It is a mutual and empathetic bond between two people. If tieing a knot was this much, every relationship would have been perfect. It would be best to think twice or thrice before taking any step because this decision can make or break your life. Just to increase your steady income, you can’t spoil your life. Apart from this, if you are interested in her daughter and genuinely feel something for her, you can go ahead by following your boss’s suggestion; but if you are being forced, you can switch jobs because the mental pressure can destroy you. It would be better to leave everything because multiple companies want skilled and enthusiastic employees.