In a MMF fuck, it's better to let the other guy finish first so you can then fill the sloppy second cummed pussy? YES
Would you want someone of the gender your into to walk in and see you doing the most kinky thing you enjoy doing to your self? YES
During mmf would you suck the other guys cock to surprise your female? YES
Are you able to get hard again and cum a second time after you've just already cum once? YES