I can tell you

[jasonlulu_2000]

---I’ve been going to the gym for half a year now.
---I can tell you! You look really healthy.

Are the two underlined parts natural to a native teacher? If not, how can I correct them?

Thanks

Jason

[HanibalII]

---I’ve been going to the gym for half a year now.
---I can tell you! You look really healthy.

Are the two underlined parts natural to a native teacher? If not, how can I correct them?

Thanks

Jason

The first one yes, second one would if it didn't have the 'you' at the end.