Praxis Grammatica - Why I Unfriended You

The 17th century Praxis Grammatica tells you why "I" dropped you on my social network:

[ 104 ] Amaveram te, sed tu non amaveras me vicissim. [English Translation]

By the way, I'm _ancthist on Twitter.

• How to Pronounce Latin
• Latin Adverbs
• Endings, Tenses, and Moods of Latin Verbs
• Latin Verb Tenses

Praxis Grammatica gives great examples of Latin sentences in the guise of wondrously useful advice. Please feel free to post your interpretation of this bit of Latin and when it would be used.