3weeks then...

Soooo i went 3 weeks straight No PMO then.. well i was doing fine cravings at night buti could handle it then well one day my girlfriend decided to send me some pics since i havent seen her in a while and it all wemt down hill lol , i love her but that jus killed my streak lmao i mean but i dont feel to bad tho, recently i feel like ive gotten better, erections have felt like an 85-90% and when hug my girl its like 95% so idk if its progress or its because im like 16, could i have really gotten better because i have been off and on but the 3 weeks was my longest streak, i also mever hit a dead libido? Any help?