That is why if you decide to have investment, you must allocate that money for specifically for the investment so when you have an emergency situation, you will not disturb your investment because you also prepare the other money for that emergency or urgent situation. Your investment is your responsible, same as your other needs in your life so you must know how to manage all things you want to do. Yes, you must only invest the amount you can afford to lose so that will not get any problem with the investment or other things.