The context of the following conversation is Kai got a check up from the doctor after finding a lump and got the all clear so when leaving the surgery Kai felt well.:
Kai says I was really worried about this lump I found, but seeing the doctor has calmed me down..
The friend responds I am glad it came back all clear..
Kai responds I know, I've never felt a lump before so when I noticed it I got it checked straight away..
The friend responds Its good to keep up the routine checks like that.
Kai responds Yeah definitely..
The friend responds Better safe than sorry!.