I am in a very happy relationship with an amazing guy. However like everyone; he makes mistakes. He has previously still kept in contact with his ex,  and his ex's family. I wasn't supposed to know about it btw. I found that disrespectful so I gave him a choice to pick between me and them. He chose me. We both decided that it would be best for him to cut all ties with them. Of course there was little more fire to this decision but  He did so, he cut all ties. Up until now there hasn't been any signs of him going back on his word. However at times I still feel a little off, I get jealous and start to doubt not only him but myself. I want to trust him, and I do most of the time but i also freak out and get insecure of the dumbest things...like not being his best friend on snapchat🙄. He has given me the world, and does everything to make me happy. How do I get over the small petty trust issues??