How to retrieve deleted iphone 5 text messages?

I have been with my boyfriend for a year and a half, and he has just admitted to me that he has been speaking to his ex by text message, but he has deleted all of the messages, he told me that he wanted to go and have drink with her but that she didn't want to, i would like to try and get back the text messages to see what they really said, or if they saw each other…
You guys are going to say that i should trust him, but he has tried to cheat on me in the past, and i say tried because the girl one again didn't want to!
Please help me. I have not broken up with him, but if ever i find out that he is lying to me, then it will be finished between me and him for sure!

My computer isn't picking up my iPhone on iTunes but the laptop does?

Have a iPhone 5 updated iTunes to latest version, the desktop is not detecting the phone but the laptop is, they both have the same iTunes version and operating system, it works on the laptop but not desktop. It won't even charge it, I've tried a few cords all with same results.

Photo editing and filters for iPhone 5?

I've seen lots of photos on Instagram that have a slight out of focus glow, like kind of misty/blurry but in a good way. I see people writing underneath "with filter". How do I do this and get that look? Which app is needed?

Why won't my computer open a certain website?

I'm having a problem with opening one website with both my computer and iphone. But when I asked friends, they are able to open and view the site with no problem. The website I'm having trouble opening is www.appaloosa.com
I have tried a variety of different troubleshooting things already and none have worked. I have tried downloading a different browser (Internet Explorer, Google Chrome, and Firefox made no difference, none of them will open the website). I tried disabling my antivirus and firewall and still the website will not open on my computer. My computer is new (only a couple months old) and has Norton Antivirus (updated regularily). If anyone can tell me how to fix this problem, it would be greatly appreciated!

Added (1). I looked and cookies are not disabled so it must be something else…

White blank screen on iphone 4?

I was on instagram looking around whilst my facebook app was updating
then all of a sudden the instagram app came off so i went back on but it got stuck on a white blank screen

Can apple find out that you jailbroke your iPhone if you restore?

I was planning on jailbreaking it today with the evasi0n thing coming out but I have apple care and would they void it since they know that I jailbroke? Or could I just restore and they would never know? And how can you be sure they won't know if the restore thing works!