iLost All My iContacts

I think my iPhone is mad at me. Not only is it losing power at an alarming rate, but there are other problems going on and I'm not sure what to do. Is it time for a new phone? 

Please note: These are NOT my contacts. Just wanted to clear that up for anyone who might think I've got friends named John Appleseed.

So, not only does my iPhone keep trying to ditch me by staying in the car when Keith drops me off for work (being without my phone is the pits!!!), but it decided to erase all my contacts the other day. Yep, gone. Poof. I was able to figure out a few based on past text messages, but a lot are now totally gone. UGH. So, if I should have your number, please send it my way. Thanks.