GBPUSD forming a double top reversal, watch for the drop

Sell below 1.3991. Stop loss at 1.4166. Take profit at 1.3639.
Reason for the trading strategy (technically):
Price has formed a double top reversal with major resistance at 1.3991 (Fibonacci retracement, horizontal pullback resistance, breakout level) and we expect a strong drop from this level towards 1.3639 support (Fibonacci retracement, horizontal pullback support).
RSI (89) has also made a bearish from our long term ascending support-turned-resistance line signalling that a breakout is expected.