He dumped me will he evr go back out wiv me?

about a month ago my boyfriend dumpt me but i steel have feelings for him i always start cring when i think that were not togheter any more.i no its weird but i cant hepl it theres no one else i like and i dont even no if he feels the same he never comes out any more but when he douse we always have some kind of eye contact and i dont no what that means,,how do you if a boy likes you....need answers asap