attarcd 2 bf,s frnd

my bf does nt givs me tim, he say he s busy @off.... bt he freaks around wit is his frnds, he hd ben frnd wit othr gals als, & does otin wit AL... so in al dis things, 2 knw more abt dhos gals i made his close frnd as my frnd... nw v r gud frnds al, & ma bf doesnt givs me much impts & time .. i m getin attractd 2 his frnd nw.. wat shld i do in dis case??