Advice: Long Distance Relationships???

starting to get serious with the mans i been talking to for 4 months now. We live a ferry boat away from each other. In the new year he’s gonna be transferring uni’s to a different city which is a 6 hour plane ride away. in the 4 months that we’ve been “seeing” each other, we’ve only actually got to see each other forreal for like three days. and the rest is texting each other..... i trust him so i’m not worried about other females. but i know he is hesitant on trusting me bc we/i had a bump along the road and screwed things up but it’s been fixed and we’ve just been trying to grow from then and i’m surprised he took me back cause we’ve had arguments on it and went on and off a few times. i’m so into him it’s so hard, like i use to be a lil hoe and now i’m really just down for him, it’s crzy lmao. we only facetime each other like once in a blue moon and i want to facetime him more often but idk like he’s down but he doesn’t REALY seem all that down for it with his studying n work. i really want this to work out but i’ve never done this before. i just wanna make sure we’re both happy with each other and nothing gets boring u feel me? like i send those nudies every now n then LOL. pls give me advice thank u