Dr Jekyll met Mr Hyde at dawn and dusk

The human psyche is so complex. Here is an example of how a person can simultaneously be 'selfless' and 'selfish'.

He knows she eat slow, so he ate slow with her when they went for ramen.
Selfless motive: To not have her feel embarrassed about her maxillo-facial condition and feel appreciated.
Selfish motive: To use his astute understanding of psychology to turn up the charm and win human approval.