i need tips advice and encouragement

my fiancé and i have been dating for 4 years this October and we have been through a lot together..two life changing events happened to me the biggest was when i lost my mommy and the second was when my family betrayed me the worst way possible..he was there...he popped the question earlier this year 😍 anywho on to why i'm writing this he recently went into the army august 6th he's going to be gone for 5 months 😩 and it already has been hard on both of us i text him everyday but he can't always reply i've talked to him maybe 3 times since he left..the last time he called was during hurricane harvey(i live in houston) he was so devastated he couldn't be with me at the time...this is our first time apart and it hasn't even been a month yet..any of you ladies been through this or going through it that could give me any tips on how to pass time advice or encouraging words on us being apart and about me becoming an army wife