I have two girfriends its hard to choose been going on 3 years?

1. Has my son #2 met a week before. Love them both so much and they both know about each other. Who should I pick #1 is cool and down to earth and is always there and has my baby boy who I love so much #2 is more my type and same as number #1 always there for me and puts me in front of anybody and evry body bad thing I think she cheated on me a year into the relationship don't know if its true but took it to the heart Evan thow she denies it I would prefer #2 but that grudge holds me back but i love her.. #1 has my child who I love so much .....thinking about Keeping the triangle longer but sometimes wanna give up and I know its not right but don't know what to do some advise plz