Talk. Phone conversations can often unravel a fake. When you hear this person on the phone, note whether they have a slight accent and use awkward phrases; if their accent 1Be suspicious of rapid escalation. If the person suggests that the communication switch to phone calls and texting asap, be alarmed. Then, if the phone calls and texting rapidly escalate in expressions of love and passion, and within a matter of 5 to 6 weeks they tell you that they have fallen in love, be very alarmed.
Over-the-top expressions of feelings for you even though you haven't met are a warning sign.