There will always be a chance for you to buy BTC again... The market will not forever remain bullish... My advice for you, if you feel you want to sell, take a some portion and sell, and be ready to buy back if there's a chance of market becoming bearish... Don't take this as a financial advice though...

Or you can continue to accumulate using the dollar cost average.. that way you won't miss out on any market move and if the market eventually becomes bearish, you would still be able to acquire bitcoin from your still available capital....