...your real girlfriend is behind you!
"Hun, who is this lovely girl?" she asked in a suspicious tone and also sound so jealous.
"Oh, you must be his friend." Your teenage mom replied. "I'm his girlfriend. Nice to meet you."
"Girlfriend, huh..." your girlfriend said as she begins to punch you.
"H...hey, baby can I talk to her alone for a minute?" you ask nervously. You realize this can't be good if your girlfriend really saw you kiss with your own mother in her teenage version.
"Sure, don't kept me waiting." she replied with a cute wrink on her face. You then took your real girlfriend aside, and explained the situation to her.
"So let me get this straight, that girl who is really your mother and you made her younger with your own ray gun, now she thinks she's your girlfriend!?" she said as she's angry.
"Okay, yeah, I was testing it and it turns out it work, but I also accidently put MENTAL change when I pull the trigger, and I'm so sorry I didn't about this and please forgive me." You replied nervously.
"*sign* Okay, I'm forgive you, hun." she said.
"Really?" you asked.
Your girlfriend replied with a smile "Yes, but I need you to..."