I think spying really is the last resort to a relationship thats in trouble.
I have heard that rumour once, and it was told to me again by same person.
I cant argue much with your post as i agree with it. But spying in itself is something i dont condone.
Your right in your reasons for spying, its just not something i could bring myself to do.
Maybe it would be because im afraid of finding out what the truth is, or maybe i just couldnt bring myself to do it to my girlfriend.
Unless it was absolutely necessary and i agree at this stage it isnt. Its just me being paranoid, i pick up little slip ups in conversation i.e. Theres a photo of me s...... (sounded like she was about to say snogging but maybe it was a misheard thing), a photo of me and my mate.
The next relationship you have, how would you go about it? Would you be more wary this time in case she would be the same, or would you trust her etc like you have done in the past?