Stewing and the effects of divorce

This is gonna be long so I apologize ahead of time. Back story. I'm a recovering codependent. Work in progress. Divorced an addict with zero regrets. I did everything I could in the end, it takes two. Dated the same man for 18 months on and off after my divorce. He had a lot of issues with trust and big walls. I was in a bad place when we started out and got better over time. In the end, it didn't work because he never wanted more than a casual committed relationship and ended up being the key to me realizing why I chose the men I have. In my past. I learned a lot. We communicated for a while but that is done. It just wasn't healthy for me and kept bringing back a lot of bad feelings. On to now. I have been dating someone for about 6 months. He has two teens and has been divorced for 7 years. The kids are amazing and I adore them. I have younger children. My oldest is the same age as his youngest. He has his kids every sat-sun when he's home. I have mine all but weds and thurs evenings and every other weekend. Not much us time to be had but we do pretty well considering the crazy schedules. We communicate incredibly well and get along great when we see each other. We live an hour apart Now the really tough part. He travels for work. A lot! Usually gone 1-2 weeks at a time. I would say 75% travel but lately it's been more. When he leaves, the first week is tough. I miss him terribly. After that I still miss him but its easier. We have discussed long term goals and neither of us want to move for at least 6 years. This is where I struggle. I'm scared to death to invest 6 years only to find out he may not want more. That's a long time to spend with someone. Because of that past relationship I constantly question whether or not he really will be willing to move later or if I'm wasting my time and going to be crushed later. It's too soon to push it. But this is the crap I sit and think about. I have said a few things and tried to gauge his responses. I'm not getting any closer to knowing what to do. We are going on vacation together in a few days and I have no doubt we will have a great time. I just know that it will be even harder when we get back to go back to not seeing each other as much. Do I broach the subject while we are gone? Do I just shut up and act fine? Would you all date someone that would be long distance for years? Am I being too cautious because of past relationships?

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