My semen is a different colour depending on the mood I'm in when I ?

Could this be a medical condition? I eat an awful lot of skittles (about a half kilo or so a day), so maybe the 2 things might be linked. If I'm angry when I , the semen's green. (Like if I'm beating-off, switch over to fox and the O'Reilly factor's on.) If I'm scared when I it's purple and if I'm feeling lonely when I it's red. Is there any medical condition any of you know of that could cause such a symptom, or have any of you had similar experiences? The only time my semen is normal coloured (i.e. transparenty-white), is if I bring myself to orgams by shouting at my .