I think there is very high value in sincerity, that both of the qualities you’ve described are heavily attached to sincerity, and that the effective and regular signaling of sincerity is going to be pretty much impossible to maintain without actually being sincere. If you really want to be effective in these areas, you might try to become easygoing and less selfish rather than trying to figure out how to fake those things.
I think there is very high value in sincerity, that both of the qualities you’ve described are heavily attached to sincerity, and that the effective and regular signaling of sincerity is going to be pretty much impossible to maintain without actually being sincere. If you really want to be effective in these areas, you might try to become easygoing and less selfish rather than trying to figure out how to fake those things.