Relation ship and pregnacy

So this is a long one over 9 months ago found out I was pregnant and than also found out his ex also had just not long had a baby who was 3 months when’s she’s told him it was his he claims he wasn’t nothing to do with it witch I’m against but anyways I’ve now found out I’m pregnant again our relationship has been so rocky like I love him to bits but literally never thought of or anything we have been out twice together in 1year and 8 months every week his out party and back home at 3 4 in the morning with his mates anyways I finally got over it after threading him forever and kicked him out now I’m so lost on what’s going to happen and don’t no what to do he keeps telling me he loves me and wants me but I have heard it all before so he’ll