Sex after c section

How long would you all wait before having sex after a section? Would forplay be okay? I’m currently 4 weeks PP and my sex drive has hit me like a train! Before the baby my sex drive was pretty much none existent but now I just feel like I need to pounce on my husband 😂 it’s driving me insane!

Any advice or tips would be great as this is my first baby and I’ve no clue what’s allowed and what’s not!