The Dam stress, emotional rollercoaster, feelings...ffs.... starting doubting this morning whats up as I have only received the employment letter...No contract

On my way to work, while filtering through the traffic my mind was already wondering and thinking, shit what am I to do if this doesnt work out?
Go stay with my mom on the farm? become a farmer?
Ask my employer if I can withdraw my resignation?
Still sell everything, apply for a 6month visitor visa and go anway?
Then as I stop at the office I see the mail with the full contract, signed by the MD and waiting for me

Reviewed now, signed and send. Also send it to the agent and now its another waiting game....
My friends told me the Kiwis are worse then africa time but dam, this waiting is going to give me a heart attack....
On other news, did my medicals yesterday, and the doc is very happy....unless my blood work or chest xrays shows anything weird he said I am good to go.