Physical strength can lead to so many things. For example, building muscles release more testosterone and this can change a sense of well being and confidence,

Physical strength can lead to so many things. For example, building muscles release more testosterone and this can change a sense of well being and confidence, boons known to make it more likely to form relationships since the stone age? There's also the pure visuals. Then also strength due to an active, healthy lifestyle, indicators of someone who's got things straight in life. Really, this can be about so many things that I think it is near useless as a study. You don't know what it's about and what it isn't about.