I think others, such as Lucius, had suggested some kind of moderate BTC holding strategy in the territory of 10% to 20%, which is quite valid.    Yet, of course, there is likely devil within your details since many times it is important to consider your total individual circumstances in order to figure out some possible balance with with your bitcoin holdings and/or investing that is sufficiently aggressive without devolving into leveraging and/or gambling practices.

You are the person in the best position to figure out such details in regards to what kind of bitcoin holding/allocation is sufficiently aggressive without devolving into too much aggressiveness.