Relationship Age Differences

Laken • 22. In love♥. Future Police Officer 🚓🚓
So my boyfriend and I of 2.5 years  re 25 years apart. He looks and acts a lot younger than he is. The problem is that my family is totally against it, they won't give him a chance nor our relationship a chance. We've been doing our own thing but it gets hard during holidays and different celebrations because we can all celebrate as a family. I don't know what to do or I don't know different ways to help with the situation.
Any ideas?!