the example of David Rubenstein (regardless of whether you agree with the politics of the Carlyle group, the point here is just time allocation).
i'm not saying to force yourself to hang with people that you otherwise wouldn't enjoy hanging out with, but i am saying that if you would enjoy hanging out with them anyways, and they are on the cutting edge, then you can justify hanging out with them in your 'networking' time budget instead of just counting it as 'fun time'.
similar to the above
See https://42floors.com/blog/uncategorized/email-introduction-protocol
If you are having a drink or a meal and asking for advice or help from someone, you should pay for their drink or meal. (I forgot to do this once, and i feel bad).