Once I had a Dream ...?

I have so many dreams they are so vivid and feel real.. my ex boyfriend he was my first for everything he says he still loves me and he wants to be with me and doesn't want to be with anyone else.. but when we broke up he got another girl pregnant.. and not to long ago i had a dream he was still messing with his babys mother usually those type of dreams are warnings to me .. what would u think it means??