Help my hubby neva in the mood ?

Me and my husband been together for almost 4 years and he 7 years older than me we got a 5 month old baby who,s a angel he sleep 13 hours at nite but he always to cant be bothered to hav anymore i no i dnt look the same as i did b4 i had my baby but he over weight and can only last in bed for 2minutes max its drivng me mad nows the time that i still need to feel like a women not just a machine any ideas