Should I just be alone ?

Ladies I have a bit of a problem , so I'm in a relationship for 9months but the thing is I was in one before this one for 9yrs it didn't end well and I'm pretty much damage goods from the way I was treated but I met this person and at first it was great I mean I'm thinking I should have not jumped in this one but I figure hey you Gota try not give up on love so the person I'm with now is great and sweet and caring but also has a little bit of a temper and jealousy now I really don't mind as long as a person doesn't put there hands on me but besides all that on another note I notice that my bf liked this dating site called single parent meet on fb so I clicked on it and it's single parents meeting in the area I was crushed how can a person who wants to start something with me can even consider that or look at it when confronted he like o that was a long time ago but if it was how come it showing on today's new feed