play doubles with a new coach

My friend wanted to beat me, he finally did.
I lost the game, but I still felt happy. coz i just learned half a year seriously. He started playing from age seven.
The badminton rackets I’m using:
1. Yonex NanoFlare 1000Z: amzn.to/3Xt66eS
2. Yonex Astrox 7DG: amzn.to/3XSRpTT
3. Victor HMR: amzn.to/3B52k49
The camera I'm using:
DJI OSMO Pocket 3: amzn.to/4eAO29E
DJI OSMO Action 5 Pro: amzn.to/3zNDxBb