I know it's hard. you have to remember all of those things he's said and done that have really sent you soaring and made you feel secure. You have to be proactive and really look for those things because the negative imaginary and fear-driven thoughts will try to invade and without your fighting them, they will win and send you reelling every time only to make things worse when he does return becuase you'll have been in a bitter battle in your mind the whole time he is gone.

Think about the things hes done to reassure you. Think about the times he's left and always returned and let that remind you that he's likely not going to do it this time either. Focus on how great his return will be once you win this battle and look forward to his return. He will be very pleased to find you welcoming him home rather than brooding like you surely will if you let the fears overtake you. It will strengthen your relationship and make you both appreciate each other even more.

I know this is late in posting but I hope it helps going forward and i hope you got through his ok

*hugs*
S4