In need of encouragement...

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So I started MFP in January, and I managed to lose 20 lbs up to April. Then my final exams began... and I've gained it all back to date. It's so discouraging and depressing...

I've never been one to 'hate' my reflection in the mirror... but I am starting to now. I was feeling and looking so great, even if it was just 20 lbs that I lost... now I feel pudgy, and awkward and gross... it's all I can do to look at myself in the mirror and stop myself from gagging...

I need encouragement from you guys. What did you do (if you were in a similar situation)? What would you do? What tips and tricks can you let me in on to make this time a success...?