Watching the royal wedding today...?

and seeing them kiss on the balcony, it made me wonder how Charles could have married Diana knowing that he didnt love her and knowing that he loved another without anybody knowing. It makes me sad that somebody could do that to another human being. At the time, Diana must have really loved him and he must have told her back and she believed it. I think its a great shame that her marriage was really a sham and she didnt know it until later on. Also, how could the country spend all that money on the wedding and the souvenirs and all other costs to make that day go ahead and Charles knowing it was all a lie. Ive always felt sorry for his boys and what they have had to deal with and wonder if they have forgiven him because they seem to get on very well with their father nowadays. Im not sure I could forgive him. Anybodys opinions?