After all what is your host's purpose in having a party? Surely not for you to enjoy yourself if that were their sole purpose they'd have simply sent champagne and women over to your place by taxi.
I don't work out and be healthy and want a strong body because I want to look good in a bikini. I do all of those things for me and for my health. I'm not going on the cover of 'Maxim' and 'FHM' because that's not me.