Every morning right after I went to the bathroom, I tell myself
In the sentence above should went and tell agree?
Is above correct?
No; went should be replaced with go. Tell is present-tense, as is go. Went is past-tense.
If you were referring to a specific instance in the past, you could write,
The sentence you quoted should use the same tense for both verbs. The actions are more or less contemporaneous.
Because the first sentence above is in the past tense, it implies you no longer have this habit.