You can enjoy anything you want.I even watch F1 or tennis with same spirit and excitement.But I don't enjoy boxing - I don't know why.
Both have their own reasons, cricket doesn't exercises your body much, where as football extract your whole energy in 90 mins... i would prefer to go with Cricket as i dnt knw like football much!!!
Both are good but my fav. game is cricket than football.football is my 2nd preference than other sports...