No one knows what will happen to Bitcoin in the next year or so; we are not fortune tellers here to know what the exact price of BTC will be after a year or 2 years.
What we can only do is to give you some a bit of analysis or a prediction.

About the price of Bitcoin, we can't control the market if it will surge or drop in incoming years, but if you know the cycle and historical data of BTC, you should notice that the BTC price keeps rising. It's up to us if we can hold BTC for a long period of time; every 4 to 5 years we should see a new all-time high based on the historical data.

Read this: Bitcoin Prices and value history

If you have a short-term perspective and you've already made some profit, why not withdraw some portion just not to miss the opportunity to take a profit while in higher highsan uptrend?

No one knows what will happen to Bitcoin in the next year or so; we are not fortune tellers here to know what the exact price of BTC will be after a year or 2 years.
What we can only do is to give you some a bit of analysis or a prediction.

About the price of Bitcoin, we can't control the market if it will surge or drop in incoming years, but if you know the cycle and historical data of BTC, you should notice that the BTC price keeps rising. It's up to us if we can hold BTC for a long period of time; every 4 to 5 years we should see a new all-time high based on the historical data.

Read this: Bitcoin Prices and value history

If you have a short-term perspective and you've already made some profit, why not withdraw some portion just not to miss the opportunity to take a profit in higher highs?