As my title suggests, there is no way anyone can boil it down to 5 best love songs! so I will go on with my list, and see where I can stop:(in random order.)
1) Everything I do I do it for you - Bryan Adams
2) Because you loved me - Celine Dion
3) Have you ever needed someone so bad? - Def Leppard(although not lovey-dovey.a sad love song nevertheless.)
4) Id love you to want me - Lobo
5) Aint No Mountain High Enough - Marvin Gaye & Tammi Terrell
6) Sometimes love just aint enough - Patty Smith & Don Henley
7) When You Say Nothing At All - Ronan Keating
8) Every Breath You Take - Sting and the Police
9) Nothings Gonna Stop Us Now -Starship
10) Nothings gonna change my love for you - Glenn Medeiros
11) Nothing Compares 2 U - Sinead OConnor
12) Wonderful Tonight - Eric Clapton
13) Have You Ever Really Loved a woman - Bryan Adams
14)(Ive Had) The Time of My Life - Bill Medley
15) To Be With You - Mr. Big
16) Nobody Wants to Be Lonely - Ricky Martin
17) It Must Have Been Love - Roxette
18) Careless Whisper - Wham!
19) Can?t Help Falling in Love - UB40
20) Someday - Michael Learns To Rock
21) Annie?s Song - John Denver
22) Love will keep us alive - Eagles
And if you want descriptions / reasons why etc.just go on and listen to them:) and let me know what you think!