yeah, you definitely want to keep cardio at low intensity after weight-lifting.
for the best results, have your intense cardio sessions on a separate day from weight-lifting.
it is recommended to wait at least an hour and a half to two hours before cardio or any intense activities to prevent the risk of throwing up your food or having severe stomach cramps.
and i definitely think that peer pressure works if you wanna push yourself during a workout. have a session with a couple of friends or your girl if you can. you'll get a great...