relationship

so i like this guy named Chris he is 24 and I'm 19 we've been friends for like 8 months meet him on pof we started out as friends with benefits he has told me he loves me but I'm not sure if that's what i belive that he could be talking to other girls he tells me that he only talks to me now personally i want a relationship with him but idk if he telling me the truth he works so he be busy but some days if i text him he will leave me on read or text back 2 or 3 days late now sometimes i see his pof proline and it says he is online but when I asked him why was he online he said it was his little brother should I believe him or an I just a young girl who loves him i don't know if i should keep trying to be with him or let him go