Notes:

Meowstic, how are you feeling today?
I tried my best to translate the text as accurate as possible,but the translation may not be accurate.
Translations as a request by Genesect:
1st – Expressionless\Normal Face
2nd – Smiling
3rd – Angry/Angered
4th – Sad
5th – Crying
6th – Embarrasseed
7th – Pressured/In a hurry expression?
8th – Surprised/Scared expression? I think…
9th – I think you could figure this out just by looking.
10th – I think this panel meant that Female Meowstic got freaked out and is attempting to attack the offender\whatever it is attacking.
11th – Attempting to use attract on Male Meowstic\Likes Male Meowstic. Based on this:https://knowyourmeme.com/photos/840979-pokemon
12th – This one diffcult, but I think this face shows that Female Meowstic doesn't like insects.